Reply: Descent: Journeys in the Dark (second edition):: Rules:: Re: Interrupting Heroic Feats and/or Skills to perform Actions

by Sethala

So long as the feat isn't a move action, you can't interrupt it - only move actions can be interrupted.

Note that some feats, such as Syndrael's, specify that it's a "move action", and thus can be interrupted to take another action.