That does rather come with the territory of being the human incarnation of the Starscourge, yes.

[Look he knows that his brother is a messed up pile of Literally Every Negative Emotion, you don't need to dance around it for the sake of being polite, Prompto.]

Ignis hardly needed much of our power to do what he needed to do. I think he would have done the same even if we refused - I'm quite fond of him, as ring-bearers go.