Talk:Otaku Boot Camp/@comment-37434202-20200710143131/@comment-44941771-20200710153538

Once you reach the max level for a card (level 80 for SSR for example), you can use daggers and grimm to unlock max cap level, which adds another 10 levels to the card.

(And yes, first-aid kits are pretty useless (as of now), as none of the characters like it as a surprise guest gift.)