You never wore anything that revealed a lot of skin, the bare minimum was no gloves or mask.

While you were training, you took off your shirt, deciding that no one would be awake to see you anyway.

Suddenly Keegan walked in and greeted you, "Why are you up so..." He pauses, his eyes locking onto the intricate tattoos on your back. "Holy shit..." He says, giving a low whistle at what he saw.