"It could be possible. That masked ninja didn't seem to want to hurt him so someone could have done this to him beforehand and the masked ninja just unknowingly caused it to wake. Hm...hang on." He pulled out a storage scroll and unsealed a bottle of ink and a brush, before starting to draw a seal on Bane's chest, after moving his necklace out of the way. When he was done he put a little bit of chakra into the seal and the seal started to work to get rid of any foreign contaminants, either physical or mental.