Level 1-4 Deer and Fox (Level 1)
Level 5 Wolf (Level 2)
Level 6 Elder Wolf (Level 3)
Level 7-8 Dire Wolf (Level 4)*
Level 9-10 Berserk Wolf (Level 6)
Level 11-12 Jaguar (Level 8)*
*Level 13-14 Wandering Zombie (Level 10) Zombie Nail Zombie Skin
Level 15-16 Sasquatch (Level 12)* Sasquatch Fur
Level 17 Werewolf (Level 14) Blade
Level 18 Little Treant (Level 15) Twig Treant Fruit x 35
Level 19 Horn Beast (Level 16) Horn Beast Hide x 20 Horn Beast Eye x 42
*Level 19 Corpse Ranger (Level 16) Cursed Bone x 14
Level 20 Elder Werewolf (Level 17)
Level 21 Drake (Level 18)* Drake Scale Green Orb x 13
Level 22 Aged Treant (Level 19) Twig Treant Fruit
Level 23 Harpy (Level 20)* Harpy Feather x 15 Harpy Tear x 15
*Level 24 Skeleton Soldier (Level 21) Cracked Sword Cursed Bone x 14
Level 25 Dark Goddess (Level 22)* Larvae Liquid Dark Orb x 27
*Level 26-27 Orc Soldier (Level 23) Cracked Sword Dark Orb
*Level 28 Orc Fighter (Level 25) Orc Ornament x 20
Level 29 Treant (Level 26) Raw Wood
*Level 30 Orc Axeman (Level 27) Cracked Axe x 15
Level 31 Sand Golem (Level 28)* Soft Sand x 30
*Level 32 Orc Sergeant (Level 27) Cracked Sword Orc Ornament x 20
Level 33-34 Elder Drake (Level 30) Reenforced Scale Green Orb
Level 34-35 Salamander (Level 31) Salamander Skin x 20 Salamander Tail x 15
Level 36-37 Pilferer (Level 33)*
Level 38-39 Bandit (Level 35)
Level 40-41 Blood Frenzy (Level 37)*
Level 40-41 Goblin Scout (Level 37)* Goblin Hide Goblin Ear
Level 42 Poison Myst (Level 39) Myst Eye x 27 Thick Liquid
Level 43 Gnoll Lancer (Level 40)
Level 44-45 Gnoll Soldier (Level 41)
Level 46 Two Headed Canine (Level 43)
Level 47 Death Mask Lancer (Level 44)
Level 48 Beast Scythe (Level 45)
Level 49 Beast Flyer (Level 46)
Level 50-54 Salamander Ruin (Level 50)
Get Double Experience Point, Skill Point and Attack Buff from Elizabeth. Hunt Green Mob for better drop, but keep within 3 to 4 level lower than you. Green Mob will still drop normal stuffs but it won't drop event stuffs if it is 5 level lower than you. Some Event Stuffs will drop by Blue Mob, like Rain and Insect. Try to lock XP at each level until you manage to get the items required for the Iris Pictorial Book.