"They have the ability to cature a beings life force and hang it in a glass jar around their neck" hmmmmmmm sounds kinda sus cloudjumper, do you, i dont know, happen to hate shadows........... cause your description of being able to cature a life force and put it in a jar sounds alot like....... a shadow catcher......

SHADOW WHAT DID I TELL YOU

but he might be a shadow catcher!

I DONT CARE!

fine

-a possessed shadow