Chapter 70: I feel the the best course of action should be Inukai shrugging off his ego and regrouping with Kaname and team and plan on how to invade the enemy ship... He shouldn't be running with that key alone.
Chapter 71: Ahh, more mammoths. Shit.
Chapter 72: I hope there's a strategy otherwise it's just ehh...
Chapter 73: Interestinggggg
This volume: The battle between whether MC is op af or weak af goes on... But I think his brain is still unrivalled.