Elemental Reductions

Short Post: For this month's Blog Carnival challenge (" it's not easy being green "), I put together a 30 Minute Dungeon around a special place in a jungle or rain forest which is frequented by butterflies and their offspring each year.  Also, if anyone knows who created this particular image, in parody of the Very Hungry Caterpillar, I'd appreciate a clue. Thanks! 

Vedoteknos, the Tortoise Kappa Abjurer Description A large, ancient looking tortoise-humanoid, that moves slowly and deliberately Drivers Needs   to learn: always looking to read spell books, rituals, or instructions for making magical items. Needs   to eat about once a year. Wants   to eat magical items. Wants   to live forever. Wants to perpetuate Kappa species. O5R Str 8 Dex 10 Con   16   Int 22 (27) Wis 17 Cha   16 MV 9 " HD 18 AC 22 HP 11d8+3d6+14*3 (103)   Att   +5: Staff 1 d6+2(5) blunt, target must Con save or be stunned for one round.   Morale 5 Special Defense : Mystic Halt As a bonus action, Vedoteknos can utter the name of a creature it knows the true name of, preventing it from approaching closer to him for one hour, if that target fail a Charisma save (-5). On a successful save, creature is immune to this ability for this encounter.  As a free action, has a 1 in 6 chance of guessi...