List of monsters with their level, base HP and base EXP information (sorted by EXP). Real game data is different for each char. Those values below are just basic values (final HP/EXP gain depends of char build, stats, skills, exp boost items - stones, family, esse,.... (last updated 1.4.2023):

You can get more informations of monsters on official website: lvl 1 - 29, lvl 30 - 59, lvl 60 - 99, lvl 100+, Bosses. And places where you can hunt HERE.
List of monsters and their level, sorted by name (last updated 1.4.2023):

1st Commander of The Royal Tomb (level 70)
1st Devil Monster (level 40)
2nd Commander of The Royal Tomb (level 70)
2nd Devil Monster (level 40)
3rd Commander of The Royal Tomb (level 70)
[Elite] Dungeon Knight (level 126)
[Elite] Dungeon Knight (2) (level 130)
[Elite] Golem (level 105)
[Elite] Golem (2) (level 125)
A Thousand year old E-Moogi (level 99)
Angry Doggebi of Monster Face (level 51)
Assassin who killed Yong-Chun (level 50)
Assault Demon Armored Knight (level 32)
Assault Demon Band (level 32)
Assault Demon Infantry (level 31)
Assault Demon Throwing Soldier (level 31)
Banshee (level 81)
Banshee (2) (level 82)
Banshee (3) (level 83)
Banshee (4) (level 84)
Banshee (5) (level 85)
Bestial Demon (level 84)
Bestial Demon Captain (level 86)
Bestial Demon Soldier (level 85)
Bestial Demon Warrior (level 85)
betrayal Minister of the Royal Tomb (level 60)
Big Brown E-Moogi (level 95)
Big Green E-Moogi (level 95)
Big Handed Blue Warrior (level 17)
Big Handed Inhabitant (level 16)
Big Handed Inhabitant (2) (level 25)
Big Handed Red Warrior (level 17)
Big Handed Slave (level 16)
Big Handed Slave (2) (level 25)
Black Armored Insect (level 70)
Black Armored Insect from Hell (level 70)
Blue Beast of Demon Crack Troop (level 57)
Blue Beast of Demon Crack Troop (2) (level 58)
Blue Beast of Demon Crack Troop (3) (level 60)
Bogy Archer (level 75)
Bogy Captain (level 80)
Bogy General (level 90)
Bogy Rider (level 73)
Boss of Demon Worker (level 60)
Boss of Demon Worker from Hell (level 60)
Bounded earth element (level 76)
Bounded fire element (level 77)
Bounded Gigantic Species Berserk (level 93)
Bounded Gigantic Species Murderer (level 94)
Bounded iron element (level 79)
Bounded water element (level 78)
Bounded wood element (level 80)
Bronze Giant (level 100)
Bronze Giant (2) (level 85)
Bronze Man (level 100)
Bronze Man (2) (level 68)
Brown Bear (level 102)
Castoff Baby Ghost (level 33)
Cheios (level 100)
Chief Escort of The Royal Tomb (level 70)
Chief Guard of The Royal Tomb (level 70)
Chief of Angry Doggebi Troop (level 50)
Chief of Demon Crack Troop (level 54)
Chief of Demon Crack Troop (2) (level 55)
Chief of Demon Crack Troop (3) (level 56)
Chief of the Traitor's Hangout, Yoong-Gi (level 79)
Chief Warrior of Shadow Troop (level 69)
Chill Maid of Honor of the Royal Tomb (level 55)
Chill Minister of the Royal Tomb (level 54)
Chill The Royal Tomb Keeper (Iron Hammer) (level 60)
Chill The Royal Tomb Keeper (Shield) (level 57)
Corrupt Guardian of Doggebi (level 54)
Corrupted earth element (level 76)
Corrupted fire element (level 77)
Corrupted Gigantic Species Berserk (level 92)
Corrupted Gigantic Species Ignoramus (level 92)
Corrupted iron element (level 79)
Corrupted water element (level 78)
Corrupted wood element (level 80)
Crazed Demon Water Dragon Commander (level 45)
Crazy Demon Conjurator (level 98)
Crazy Demon soldier (level 97)
Crazy Demon Warrior (level 78)
Crazy Demon Worker (level 96)
Crazy Demon Worker's Leader (level 102)
Cruel Ghost of Guard (level 39)
Dae-Il (level 50)
Dark Gigantic Species Master (level 95)
Dark Gigantic Species Murderer (level 95)
Dark Wild boar Demon (level 106)
Dark Wolf Demon (level 105)
Dawn Shadow of D’evah (level 1)
Deadly sand [Mautareta] of Training Field (level 110)
Deadly sand[Mautareta] (level 110)
Death Harvester (Earth) (level 123)
Death Knight (Earth) (level 125)
Death Lich (Earth) (level 124)
Death Thorn (level 55)
Decrepit Minor earth element (level 71)
Decrepit Minor fire element (level 72)
Decrepit Minor iron element (level 74)
Decrepit Minor water element (level 73)
Decrepit Minor wood element (level 75)
Degenarated Twisted Demon (level 99)
Demon Armored Knight (level 22)
Demon Band (level 22)
Demon Carcass Scavenger (level 11)
Demon Commander (level 23)
Demon Crack Soldier (level 54)
Demon Crack Soldier (2) (level 55)
Demon Crack Soldier (3) (level 56)
Demon Defender (level 80)
Demon Escort Archer (level 8)
Demon Escort Soldier (level 8)
Demon Flag Bearer (level 20)
Demon Guard (level 65)
Demon Guard (2) (level 67)
Demon Infantry (level 19)
Demon Infantry (2) (level 75)
Demon Infantry from Hell (level 75)
Demon Mad Knight (level 23)
Demon Monster (level 85)
Demon Nest (level 95)
Demon Patrol (level 70)
Demon Plunderer (level 4)
Demon Queen (level 97)
Demon Queen of Training Field (level 90)
Demon Scout (level 2)
Demon Scout Commander (level 9)
Demon Shock Trooper (level 20)
Demon Soldier (level 18)
Demon Spearhead (level 3)
Demon Throwing Soldier (level 19)
Demon Troop's Catapult (level 90)
Demon Vulgar (level 1)
Demon Warrior (level 73)
Demon Water Dragon (level 27)
Demon Water Dragon Commander (level 28)
Demon Water Dragon Commander the Chained (level 30)
Demon Water Dragon Predator (level 28)
Demon Water Dragon Predator the Chained (level 30)
Demon Water Dragon the Chained (level 29)
Demon Worker (level 50)
Demon Worker (2) (level 53)
Desert Scorpion (level 110)
Despair Big Handed Blue Warrior (level 26)
Despair Big Handed Red Warrior (level 26)
Destructive sand[Mautareta] (level 116)
Devil Shadow of D’evah (level 1)
Devil Soldier (level 38)
Devil Soldier with Bow (level 39)
Devil Soldier with Spear (level 40)
Devil Soldier with Sword (level 39)
Devil Soldier with Twin Blades (level 38)
Devil Troop of Absorbing Green (level 41)
Devil Troop of Anger (level 50)
Devil Troop of Desire (level 42)
Devil Troop of Desire (2) (level 46)
Devil Troop of Greed (level 45)
Devil Troop of Greed (2) (level 47)
Devil Troop of Hatred (level 48)
Devil Troop of Jealousy (level 47)
Devil Troop of Jealousy (2) (level 48)
Devil Troop of Madness (level 49)
Devil Troop of Pain (level 44)
Devil Troop of Pain (2) (level 47)
Dismal Skeleton Warrior (Lance) (level 53)
Dismal Skeleton Warrior (Sword) (level 51)
Doggebi Lord (level 100)
Doggebi Lord of Training Field (level 85)
Doggebi of Monster Face (level 43)
Doggebi of Monster Face (2) (level 46)
Doggebi of Time (level 58)
Doggebi with a Gong (level 44)
Doggebi with a Gong (2) (level 46)
Doggebi with a Mask of Black Crow (level 48)
Doggebi with a Mask of Black Panther (level 49)
Doggebi with a Mask of Black Panther (2) (level 48)
Drunken Doggebi (level 46)
Drunken Doggebi (2) (level 47)
Dunamic (level 100)
Dunamic of Training Field (level 100)
Dungeon Ax Soldier (level 121)
Dungeon combat trooper (level 120)
Dungeon Guard (level 121)
Dungeon Knight (level 126)
Dungeon Knight (2) (level 130)
Dungeon Magician (level 124)
Dungeon Scout Soldier (level 119)
Dungeon Scout Soldier (2) (level 120)
Dungeon Shield Soldier (level 118)
Dungeon Shield Soldier (2) (level 120)
Dungeon Shock Trooper (level 121)
Dungeon Warrior (level 117)
Dungeon Warrior (2) (level 120)
Earth element (level 90)
Earth element (2) (level 76)
Earth element master (level 95)
Elder Doggebi (level 150)
Elite Death Harvester (Earth) (level 127)
Elite Death Knight (Earth) (level 129)
Elite Death Lich (Earth) (level 128)
Elite Demon Commander (level 24)
Elite Demon Mad Knight (level 24)
Elite Dungeon Ax Soldier (level 122)
Elite Dungeon combat trooper (level 122)
Elite Dungeon Guard (level 122)
Elite Dungeon Scout Soldier (level 122)
Elite Dungeon Shield Soldier (level 122)
Elite Dungeon Shock Trooper (level 122)
Elite Dungeon Warrior (level 122)
Elite Gigantic Species Berserk (level 93)
Elite Gigantic Species Murderer (level 94)
Elite Lord Bisaim (Water) (level 128)
Elite Ohgeuma (Wind) (level 128)
Elite Ruins Destroyer (Water) (level 127)
Elite Shadow Murder (Wind) (level 127)
Elite Skeleton (level 82)
Elite Skeleton (2) (level 83)
Elite Skeleton (3) (level 84)
Elite Skeleton (4) (level 85)
Elite Skeleton (5) (level 86)
Elite Skeleton (6) (level 102)
Elite Skeleton Archer (level 102)
Enemy of Hyun-Woong (level 50)
Evil Spirit (level 50)
Experienced Traitor Archer (level 65)
Experienced Traitor Warrior (level 64)
Fanatic Magician of Land God (Earth) (level 106)
Fanatic warrior of Land God (Earth) (level 106)
Fellow Traveler to the Other World (level 35)
Fellow Traveler to the Other World the Chained (level 37)
Ferocious Demon Flag Bearer (level 21)
Ferocious Demon Shock Trooper (level 21)
Ferocious Gigantic Species Archer (level 89)
Ferocious Gigantic Species Shock Trooper (level 89)
Fierce Doggebi Shaman (Water) (level 126)
Fierce Doggebi Soldier (Water) (level 124)
Fierce Doggebi Warrior (Water) (level 125)
Fierce Giant Doggebi Soldier (Earth) (level 125)
Fierce Giant Doggebi Warrior (Earth) (level 126)
Fierce Skeleton Dragon (Wind) (level 126)
Fierce Skeleton Soldier (Wind) (level 124)
Fierce Skeleton Warrior (Wind) (level 125)
Fierce Wolf Doggebi (Earth) (level 124)
Fire element (level 90)
Fire element (2) (level 77)
Fire element master (level 95)
Flame Fountain (level 55)
Flame Plants (level 70)
Flame Plants (2) (level 80)
Frame Statue (level 55)
Frenzy Demon Flag Bearer (level 25)
Frost Fountain (level 55)
Frozen Skeleton Warrior (Water) (level 109)
Furious Gigantic Species Ignoramus (level 91)
Furious Gigantic Species Shock Trooper (level 90)
Gale Skeleton Warrior (Wind) (level 103)
Gale Skeleton Wizard (Wind) (level 103)
Gale Zombie (Wind) (level 96)
Ghost of Blacksmith (level 34)
Ghost of Dragon (level 99)
Ghost of Dragon of Training Field (level 95)
Ghost of Guard (level 34)
Ghost of Guard in E-Mok Island (level 81)
Ghost of Guard in E-Mok Island from Hell (level 65)
Ghost of Guard the Chained (level 37)
Ghost of Smith in E-Mok Island (level 81)
Ghost of Young Man (level 33)
Ghost of Young Woman (level 34)
Ghost Troop (level 150)
Giant (level 103)
Giant (2) (level 104)
Giant (3) (level 105)
Giant Doggebi (level 50)
Giant Doggebi (2) (level 49)
Gigantic Species Archer (level 81)
Gigantic Species Archer (2) (level 82)
Gigantic Species Berserk (level 85)
Gigantic Species Berserk (2) (level 86)
Gigantic Species common Warrior (level 82)
Gigantic Species Ignoramus (level 83)
Gigantic Species Ignoramus (2) (level 84)
Gigantic Species Ignoramus from Hell (level 67)
Gigantic Species Killer (level 85)
Gigantic Species Killer (2) (level 86)
Gigantic Species Master (level 95)
Gigantic Species Master from Hell (level 84)
Gigantic Species Murderer (level 85)
Gigantic Species Shock Trooper (level 83)
Gigantic Species Shock Trooper (2) (level 84)
Gigantic Species trainee Warrior (level 81)
Gigantic Species Warrior (level 81)
Gigantic Species Warrior (2) (level 87)
Goblin (level 105)
Goblin Conjurator (level 106)
Goblin Conjurator (2) (level 113)
Goblin Hunter (level 76)
Goblin Scout Soldier (level 108)
Goblin soldier (level 108)
Goblin Warrior (level 113)
Goblin Warrior (2) (level 74)
Goofy Demon Band (level 30)
Goon-Sang-Ji (level 50)
Goshi Leader (level 100)
Goshi Leader (2) (level 85)
Goshi Warrior (level 100)
Goshi Warrior (2) (level 68)
Guard of D'evah (level 107)
Guard of D'evah's Commander (level 105)
Guardian of Doggebi (level 41)
Guardian of Doggebi (2) (level 50)
Guardian of I'Lyer (level 95)
Guardian of I'Lyer (2) (level 96)
Hell Gate Keeper (level 45)
Hell Gate Keeper (2) (level 50)
Hell Gate Keeper (3) (level 55)
Hell Shadow of D’evah (level 1)
Hell’s Virago (level 90)
Hell’s Virago (2) (level 95)
Hell’s Virago (3) (level 100)
Hermit of Anger (level 76)
Hermit of Anger (2) (level 78)
Hermit of Anger (3) (level 79)
Hermit of Anger from Hell (level 80)
Hermit of Long Beard (level 71)
Hermit of Long Beard (2) (level 72)
Hermit of Long Beard (3) (level 74)
Hermit of Long Beard from Hell (level 74)
Hermit of Mask (level 73)
Hermit of Mask (2) (level 75)
Hermit of Mask (3) (level 77)
Hermit of Red Face (level 73)
Hermit of Red Face (2) (level 75)
Hermit of Red Face (3) (level 77)
Hermit of Red Face from Hell (level 73)
Hermit of White Beard (level 71)
Hermit of White Beard (2) (level 72)
Hermit of White Beard (3) (level 74)
Heuk-Yong (level 50)
High Class Doggebi of Monster Face (level 51)
High Class Doggebi of Monster Face (2) (level 52)
High Class Doggebi of Monster Face (3) (level 53)
High Class Doggebi with a Gong (level 51)
High Class Doggebi with a Gong (2) (level 52)
High Class Doggebi with a Gong (3) (level 53)
High Class Doggebi with a Mask of Black Crow (level 51)
High Class Doggebi with a Mask of Black Crow (2) (level 52)
High Class Doggebi with a Mask of Black Crow (3) (level 53)
High Class Doggebi with a Mask of Black Panther (level 79)
High Class Drunken Doggebi (level 51)
High Class Drunken Doggebi (2) (level 52)
High Class Drunken Doggebi (3) (level 53)
High Class Earth element (level 92)
High Class Earth element (2) (level 93)
High Class Earth element (3) (level 94)
High Class Fire element (level 92)
High Class Fire element (2) (level 93)
High Class Fire element (3) (level 94)
High Class Giant Doggebi (level 79)
High Class Guardian of Doggebi (level 80)
High Class Iron element (level 92)
High Class Iron element (2) (level 93)
High Class Iron element (3) (level 94)
High Class Security guard of the priest (level 94)
High Class Security guard of the priest (2) (level 95)
High Class Water element (level 92)
High Class Water element (2) (level 93)
High Class Water element (3) (level 94)
High Class Wood element (level 92)
High Class Wood element (2) (level 93)
High Class Wood element (3) (level 94)
Hook of Shadow Troop (level 67)
Hungry Demon Water Dragon (level 27)
Hungry Demon Water Dragon the Chained (level 29)
I'Lyer (level 99)
Ifrit (level 100)
Ifrit (2) (level 101)
Ifrit (3) (level 102)
Illusion of Cheios (level 95)
Illusion of Dunamic (level 95)
Imperial Commander of The Royal Tomb (level 70)
Infinite Doggebi (level 130)
Iron element (level 90)
Iron element (2) (level 79)
Iron element master (level 95)
Knight of the Traitor's Hangout (level 70)
Knight of the Traitor's Hangout (2) (level 71)
Knight of the Traitor's Hangout (3) (level 72)
Knoll (level 103)
Knoll Archer (level 109)
Knoll Archer (2) (level 114)
Knoll Mad Warrior (level 114)
Knoll soldier (level 109)
Knoll soldier (2) (level 114)
Knoll's hideaway 1 (level 100)
Knoll's hideaway 2 (level 100)
Knoll's hideaway 3 (level 100)
Knoll's hideaway 4 (level 100)
Land Bison (Earth) (level 98)
Land Brown Bear (Earth) (level 106)
Larva (level 70)
Lawless zone Fanatic Magician of Land God (Earth) (level 120)
Lawless zone Fanatic warrior of Land God (Earth) (level 120)
Lawless zone Frozen Skeleton Warrior (Water) (level 123)
Lawless zone Gale Skeleton Warrior (Wind) (level 117)
Lawless zone Gale Skeleton Wizard (Wind) (level 117)
Lawless zone Gale Zombie (Wind) (level 110)
Lawless zone Land Bison (Earth) (level 112)
Lawless zone Land Brown Bear (Earth) (level 120)
Lawless zone Master of Dead person (level 125)
Lawless zone Swamp Naga tribe Archer (Water) (level 123)
Lawless zone Swamp Naga tribe Warrior (Water) (level 123)
Lawless zone Swamp Zombie (Water) (level 114)
Lord Bisaim (Water) (level 124)
Lord of Shadow Troop (level 70)
Lord of Shadow Troop from Hell (level 90)
Ma-Gwang (level 50)
Mad Demon Infantry (level 10)
Maid of Honor of the Royal Tomb (level 55)
Maid of Honor of the Royal Tomb (2) (level 61)
Manager of Demon Worker (level 56)
Manager of Demon Worker (2) (level 57)
Master of Dead person (level 120)
Master of Dead person of Training Field (level 120)
Master of Land(Earth) (level 125)
Master of Water(Water) (level 125)
Master of Wind(Wind) (level 125)
Master Skeleton Archer (level 116)
Master Skeleton Warrior (level 116)
Master Wraith (level 116)
Minister of the Royal Tomb (level 54)
Minister of the Royal Tomb (2) (level 61)
Minister of the Royal Tomb from Hell (level 57)
Minor earth element (level 80)
Minor earth element (2) (level 71)
Minor fire element (level 80)
Minor fire element (2) (level 72)
Minor iron element (level 80)
Minor iron element (2) (level 74)
Minor water element (level 80)
Minor water element (2) (level 73)
Minor wood element (level 80)
Minor wood element (2) (level 75)
Monster of Demon Crack Troop (level 54)
Monster of Demon Crack Troop (2) (level 55)
Monster of Demon Crack Troop (3) (level 56)
Mutant Demon (level 100)
Mutant Demon (2) (level 68)
Mutant Demon Leader (level 100)
Mutant Demon Leader (2) (level 85)
Mutated Warrior of Shadow Troop (level 48)
Naughty Doggebi (level 15)
Necro Dragon (level 90)
Nightmare shadow of D’evah (level 1)
Noktoo Assassin (level 85)
Noktoo General (level 90)
Noktoo Magician (level 78)
Noktoo Soldier (level 60)
Obsessed Devil Soldier (level 42)
Odd Demon Mad Knight (level 33)
Odd Demon Scout (level 10)
Ohgeuma (Wind) (level 124)
Personal Guard of Doggebi Lord (level 80)
Punitive Force of Demon Crack Troop (level 58)
Punitive Force of Demon Crack Troop (2) (level 59)
Punitive Force of Demon Crack Troop (3) (level 60)
Red Demon Captain (level 96)
Red Demon Soldier (level 94)
Red Demon Warrior (level 95)
Regrettable Ghost of Young Woman (level 36)
Rotten Skeleton Warrior of the Royal Tomb (Lance) (level 52)
Rotten Skeleton Warrior of the Royal Tomb (Sword) (level 51)
Ruins Destroyer (Water) (level 123)
Ruled by a Rotten Skeleton Warrior of theRoyal Tomb (level 57)
Runabout Skeleton Warrior (Lance) (level 53)
Runabout Skeleton Warrior (Sword) (level 52)
Savage Gigantic Species Archer (level 88)
Savage Gigantic Species Shock Trooper (level 90)
Savage Gigantic Species Warrior (level 88)
Scorpion (level 104)
Sealed Commanders (level 100)
Sealed Ghost in E-Mok Island (level 82)
Sealed Ghost in E-Mok Island (2) (level 83)
Sealed Ghost in E-Mok Island from Hell (level 68)
Sealed Ghost Troop (level 35)
Sealed Ghost Troop the Chained (level 37)
Sealed Hermit (level 100)
Seaside Demon Water Dragon Commander (level 36)
Seaside Demon Water Dragon Predator (level 36)
Seaside Hungry Demon Water Dragon (level 36)
Security guard of the priest (level 93)
Sensitive The Royal Tomb Keeper (Shield) (level 57)
Sensitive The Royal Tomb Keeper (Sword) (level 56)
SensitiveThe Royal Tomb Keeper (Spear) (level 58)
Shadow Murder (Wind) (level 123)
Sharp Gigantic Species Ignoramus (level 91)
Sharp The Royal Tomb Keeper (Iron Hammer) (level 60)
Sharp The Royal Tomb Keeper (Spear) (level 59)
Sharp The Royal Tomb Keeper (Sword) (level 56)
Skeleton (level 81)
Skeleton (2) (level 82)
Skeleton (3) (level 83)
Skeleton Archer (level 81)
Skeleton Archer (2) (level 82)
Skeleton Archer (3) (level 83)
Skeleton Archer (4) (level 84)
Skeleton Archer (5) (level 85)
Skeleton Archer (6) (level 110)
Skeleton Soldier (level 110)
Skeleton Warrior (level 84)
Skeleton Warrior (2) (level 85)
Skeleton Warrior (3) (level 86)
Skeleton Warrior (4) (level 87)
Skeleton Warrior (5) (level 88)
Skilled Traitor Archer (level 65)
Skilled Traitor Warrior (level 63)
Small Brown E-Moogi (level 84)
Small Brown E-Moogi (2) (level 85)
Small Green E-Moogi (level 84)
Small Green E-Moogi (2) (level 85)
Small Green E-Moogi from Hell (level 67)
Soldier with High Warlord's Banner (level 106)
Spear Hand of Shadow Troop (level 70)
Starved Xill soldier (level 112)
Suicide Bomber (level 10)
Summoned 2nd Commander of The Royal Tomb (level 90)
Summoned 3rd Commander of The Royal Tomb (level 90)
Summoned Archer of the Traitor's Hangout (level 64)
Summoned Blue Beast of Demon Crack Troop (level 73)
Summoned Bogy Archer (level 75)
Summoned Chief of Angry Doggebi Troop (level 54)
Summoned Chief of Demon Crack Troop (level 67)
Summoned Chief of the Traitor's Hangout, Yoong-Gi (level 56)
Summoned Crazy Demon Warrior (level 78)
Summoned Crazy Demon Worker's Leader (level 90)
Summoned Doggebi of Monster Face (level 45)
Summoned Doggebi with a Mask of Black Crow (level 49)
Summoned Doggebi with a Mask of Black Panther (level 50)
Summoned Drunken Doggebi (level 48)
Summoned Earth element (level 88)
Summoned Fire element (level 88)
Summoned Giant (level 105)
Summoned Giant Doggebi (level 51)
Summoned Gigantic Species Archer (level 103)
Summoned Gigantic Species Berserk (level 104)
Summoned Gigantic Species Ignoramus (level 104)
Summoned Gigantic Species Master (level 105)
Summoned Gigantic Species Murderer (level 70)
Summoned Gigantic Species Shock Trooper (level 103)
Summoned Gigantic Species Warrior (level 102)
Summoned Goblin (level 92)
Summoned Goblin Scout Soldier (level 95)
Summoned Goblin soldier (level 94)
Summoned Guard of the Traitors Hangout (level 67)
Summoned Guardian of Doggebi (level 52)
Summoned Hermit of Mask (level 85)
Summoned Hermit of Red Face (level 80)
Summoned Iron element (level 88)
Summoned Knight of the Traitor's Hangout (level 52)
Summoned Knoll (level 91)
Summoned Knoll Archer (level 94)
Summoned Knoll Mad Warrior (level 99)
Summoned Knoll soldier (level 94)
Summoned Master Skeleton Archer (level 102)
Summoned Master Skeleton Warrior (level 101)
Summoned Master Wraith (level 101)
Summoned Minor earth element (level 80)
Summoned Minor fire element (level 80)
Summoned Minor iron element (level 80)
Summoned Minor water element (level 80)
Summoned Minor wood element (level 80)
Summoned Monster of Demon Crack Troop (level 70)
Summoned Monster of Demon Crack Troop (2) (level 69)
Summoned Noktoo Soldier (level 60)
Summoned Scorpion (level 97)
Summoned Skeleton 81 (level 75)
Summoned Skeleton 82 (level 78)
Summoned Skeleton Archer (level 99)
Summoned Skeleton Soldier (level 98)
Summoned The Royal Tomb Keeper (level 58)
Summoned Trained Traitor Archer (level 67)
Summoned Trained Traitor Archer (2) (level 46)
Summoned Trained Traitor Warrior (level 64)
Summoned Trained Traitor Warrior (2) (level 46)
Summoned Traitor Warrior (level 61)
Summoned Twisted Brown E-Moogi (level 96)
Summoned Twisted Demon Defender (level 85)
Summoned Twisted Demon Soldier (level 79)
Summoned Twisted Demon Soldier (2) (level 65)
Summoned Twisted Demon Warrior (level 63)
Summoned Twisted Green E-Moogi (level 96)
Summoned Water element (level 88)
Summoned White Beast of Demon Crack Troop (level 70)
Summoned Wild Boar (level 98)
Summoned Wolf (level 97)
Summoned Wood element (level 88)
Summoned Xill (level 100)
Summoned Xill Archer (level 100)
Swamp Naga tribe Archer (Water) (level 109)
Swamp Naga tribe Warrior (Water) (level 109)
Swamp Zombie (Water) (level 100)
Tainted Minor earth element (level 71)
Tainted Minor fire element (level 72)
Tainted Minor iron element (level 74)
Tainted Minor water element (level 73)
Tainted Minor wood element (level 75)
The Royal Tomb Keeper (level 62)
The Royal Tomb Keeper (2) (level 63)
The Royal Tomb Keeper (3) (level 64)
The Royal Tomb Keeper (4) (level 65)
The Royal Tomb Keeper (Iron Hammer) (level 59)
The Royal Tomb Keeper (Shield) (level 57)
The Royal Tomb Keeper (Spear) (level 58)
The Royal Tomb Keeper (Sword) (level 55)
The Royal Tomb Keeper (Sword) (2) (level 56)
Tobyong (level 63)
Tobyong Giant (level 90)
Tobyong Magician (level 68)
Tough Hermit (level 76)
Tough Hermit (2) (level 78)
Tough Hermit (3) (level 79)
Tower Demon Chief (level 116)
Tower Demon Guardian (level 115)
Tower Demon Hunter (level 114)
Tower Demon Warrior (level 115)
Trained Traitor Archer (level 64)
Trained Traitor Warrior (level 63)
Traitor Apprentice Warrior (level 62)
Traitor Common Warrior (level 62)
Traitor Trainee Warrior (level 61)
Traitor's Nest Archer (level 68)
Traitor's Nest Elite Warrior (level 69)
Traitor's Nest Guard (level 67)
Traitor's Nest Honorary Warrior (level 70)
Traitor's Nest Hunter (level 67)
Traitor's Nest Keeper (level 66)
Traitor's Nest Regular Warrior (level 69)
Traitor's Nest Scout (level 66)
Traitor's Nest Sniper (level 68)
Twisted Brown E-Moogi (level 88)
Twisted Brown E-Moogi (2) (level 86)
Twisted Brown E-Moogi (3) (level 87)
Twisted Demon Defender (level 93)
Twisted Demon Defender (2) (level 94)
Twisted Demon Defender from Hell (level 85)
Twisted Demon Guard (level 89)
Twisted Demon Guard (2) (level 90)
Twisted Demon Guard (3) (level 91)
Twisted Demon Officer of Attack (level 98)
Twisted Demon Patrol (level 90)
Twisted Demon Patrol (2) (level 91)
Twisted Demon Patrol (3) (level 92)
Twisted Demon Soldier (level 92)
Twisted Demon soldier (level 100)
Twisted Demon Soldier (2) (level 93)
Twisted Demon Soldier (3) (level 94)
Twisted Demon Soldier from Hell (level 79)
Twisted Demon Warrior (level 91)
Twisted Demon Warrior (2) (level 92)
Twisted Demon Warrior (3) (level 111)
Twisted Green E-Moogi (level 88)
Twisted Green E-Moogi (2) (level 86)
Twisted Green E-Moogi (3) (level 87)
Twisted Imperial Demon Commander (level 100)
Ugly Soul (level 55)
Vicious Bear (level 97)
Vicious Knoll (level 99)
Vicious Master Scorpion (level 98)
Vicious Wild Boar (level 93)
Vicious Wolf (level 96)
Wanderer of sand (level 99)
Wandering Gigantic Species Archer (level 87)
Wandering Gigantic Species Warrior (level 87)
Warrior of Shadow Troop (level 66)
Watcher of Shadow Troop (level 68)
Water element (level 90)
Water element (2) (level 78)
Water element master (level 95)
White Beast of Demon Crack Troop (level 57)
White Beast of Demon Crack Troop (2) (level 58)
White Beast of Demon Crack Troop (3) (level 59)
Wild Boar (level 101)
Wild boar Demon (level 105)
Wild Demon Carcass Scavenger (level 14)
Wild Demon Escort Archer (level 15)
Wild Demon Escort Soldier (level 15)
Wild Demon Plunderer (level 12)
Wild Demon Scout (level 6)
Wild Demon Soldier (level 20)
Wild Demon Spearhead (level 7)
Wild Small Demon (level 5)
Wild Suicide Bomber (level 13)
Wolf (level 101)
Wolf Commander (level 105)
Wolf Demon (level 104)
Wood element (level 90)
Wood element (2) (level 80)
Wood element master (level 95)
Wounded Conjurator Zombie (level 115)
Wounded Evolve Zombie (level 115)
Wraith (level 85)
Wraith (2) (level 86)
Wraith (3) (level 87)
Xill (level 111)
Xill Archer (level 111)
Xill Conjurator (level 112)
Yoo (level 50)

You can get more informations of monsters on official website: lvl 1 - 29, lvl 30 - 59, lvl 60 - 99, lvl 100+, Bosses. And places where you can hunt HERE.