And cutting down a guy who just slaughtered three mooks onscreen without even breaking his stride.
Tobimaru, Kotaru's loyal chiba inu, ripping out a soldier's throat
Moments later, he catches a poisoned kunai meant for Nanashi with his muzzle- despite the consequences, it's clear from the start that Tobimaru is not a dog to trifle with. Towards the end of the film, he physically restrains an axe-man from killing Kotaru for a full minute, long enough for Nanashi to, well...
The final duel between Nanashi and Luo-Lang.
On that note, Luo-Lang disarming his superior to prevent the old man from shooting Nanashi so that duel can even happen.