"Agreed. Someone of your...stature needs to utilize stealth as a combat tactic. You are doing very poorly at it." He's nine feet tall and in power armor and normally runs into battle with a chainsword, so stealth is not really a thing he practices. But he is aware of it.

FINALLY they're talking about something he understands. BY the Emperor these people were strange.

"This place is filled with Chaos. And where Chaos is, daemons certainly lurk."