[poll request] The heroes have defeated you with SUSPICIOUS EASE
 

BECOME YOUR TERRIFYING FINAL FORM

- your head on a giant robot body
- your head IS a giant robot body
- FYIAD
- indescribable biological horror
- pig-man
- hero's twisted reflection
- hero's worst nightmare
- hero's greatest dream (ironic perversion)
- non-standard number of wings
- short, slightly built non-threatening humanoid
- your previous form, but on fire
- OTHER (specify in post)

-manifestation of heroes greatest fear

good call EDITED

-The Hero, because they were the villains all along

Or Giant Bat Form, if the genre allows it
 

Waddle Dee

- The Hero's Mentor/Close Relative/Friend with Benefits

-manbearpig

A Magical-Power-increasing trinket of some kind with an indescribable allure that makes the the hero keep and use you. Take over his body and kill his family/loved ones in the sequel.

Fifthfiend.

Fenris, you then proceed to ban the heroes to death.