This was the endgame to war against the Quincy and Soul reapers as of now You and Yoruichi Shihoin were in a battle against Askin Nakk Le Vaar. Yoruichi activates Shunkō: Raijin Senkei which engulfs Askin in an enormous electrical blast. But Askin lowers the lethal doses of her attack receiving minimal damage

"Come now shouldn't you're attacks hurt me?" Askin said mockingly than he proceeded to decrease the lethal doses of you and Yoruichi's blood which slowly poisons you

Yoruichi started to sweat and grunt but endured the pain

"Damn it he's tougher than I thought" Yoruichi said glaring at Askin