The Mark of Cora

The Mark of Cora is some kind of tattoo that is on a Marauder which is Vash.

Meaning
The Mark of Cora is for protecting you from evil and killing and pain. Which is believed by a Marauder which is Vash.

Trivia

 * Ryan asked Vash about the tattoo that is on his forehead, because he was thinking that Vash was a Qrell.