Talk:Kagune/@comment-95.90.249.202-20150723145356/@comment-62.183.154.102-20150723161804

Having enough RC cells is the only requirement. Touka's supply was running low after eating Yoriko's food and getting stabbed by Tsukiyama, so she had to take a bite of Kaneki to replenish them.

That's also the reason why Tsukiyama attempted to eat Kimi mid-battle.