Introduction: [Pet] [Monster Taming] [Summoning] [Contract] [Evolution] [Mutation]This is a world of monsters.Demonic Beasts, Demons, Angels, Giants, Elves, Ghosts, Fairies, Witches, Orcs, Insectoids... Countless races, endless branches, infinite mysteries.Human Monster Tamers can form Pet Contracts with monsters.And so, taming, nurturing, advancing, evolving, mutating, and battling... this is their daily life![Currently Known Evolution Forms]■ Mud Giant -> Sand Giant -> Stone Giant -> Black Iron Giant...■ Flame Sparrow -> Great Flame Sparrow -> Firebird -> Gilded Flame Bird...■ Four-Winged Light Angel -> (Fallen Evolution) Six-Winged Dark Angel...■ Demon Ape -> Three-Eyed Demon Ape -> ... -> Eight-Armed Vile Dragon Ape...■ Great Will-o'-Wisp -> Nightmare -> (Fusion Evolution) Spectral Knight......