Raphael has figured out that something happens to Donnie, and he even assume it's going to come from Castiel's forces. He wouldn't even, completely, fault Balthazar for trying to protect his brother in the war - though he'd have an issue with other actions, such as theft.

Less than you think - powers are powers here. It's the lack of powers that make a person odd.

"Hi!" She piped up, wings beating excitedly. "Is fun. But 'm not good at it."

Raphael shifted, looking up at Balthazar. "So we decided to to practice."