Unique powers and excerpts

List a unique power you've come up with and them in actin, or a quote about them.

Dementation: The ability to drive other living creatures to insanity. User is driven insane themselves.
“‘Come on, Ara. It’d be fun. Don’t you want to see him crawl? Chase his tail?’
Ara frowned.
‘No. And he doesn’t have a tail.’
‘Exactly. Your no fun.’”