Each of these may be used just once! However, the abilities themselves are deliberately extremely broad: if you can remotely justify the scar applying, I'll make it work! When you use a scar, please clearly state the scar you're using in the relevant comment.
Gain understanding (of someone, something, a situation, etc.).
Unmake something (does not have to be physical), removing it from reality.
Assign an Affliction to someone or something: a trait (good or ill) that is always true, whether or not the target wishes it to be.
Re: RULES and SIGN-IN
When you use a scar, please clearly state the scar you're using in the relevant comment.