What else could I do? [Ian's lips tighten, and the first hint of frustration shows in his voice.] I'm not as cold-hearted as that bastard; I couldn't ignore his plea to help them.
It turned out as well, that time when he exploded--it did kill him. [And boy, does Ian remember how pissed off he was the next time Aigallon showed up after that.] Because nothing had been able to penetrate his thick armour, his soul had been trapped. Deinosgrander fixed that.
[If his tone and face are cold when he says that, well... Ian doesn't care. He doesn't regret finishing Aigallon off in cold blood. It needed to be done.]