[KASEN... But of course Kashuu is hearing this and going "wow, that's a great idea!" rather than being like "that's dumb and you're dumb, sit down".]

Wow, seriously? Y'know, that's not a bad idea... I mean, destroying morale is just as important as taking down the enemy, right? Ahh, but I don't even know the first thing about carving.

[And clearly he can't just crudely etch a message into stone! That would defeat the purpose of delivering an elegant insult...!]