Modern/Fantasy setting where all characters have a flaw/gift of mental illness.

You all have woken to find yourselves in a chamber with a single high backed chair in the center. A man wearing a mask with a scary looking grin on it looks at you all. He is know as the god of madness.

He informs you that you have all died in some way related to your various illness' and he has gathered you to help him with a grand plan to stop what he calls a coming evil.

Will you join him?

sorry for any typos wrote this on phone