[xBakaChanx]

Originally Posted by whsie

While his innate magic is a secret, it doesn't matter if no one noticed it. As mentioned, he used those magic in front of people several times, but the audience could never understand exactly what happened.

Spoiler for LN:

Ya like when he uses his self healing in vol 4 and partically no one even noticed what was going on, since his magic is military secret he's not allowed to let anyone know about it