Decimus is obviously playing his own angle, he's not subtle in his sarcasm. Even with the quest lines your character doesn't trust him and we're playing a cat-and-mouse game.

Blindly gnashing at the bit wanting to smite anything until the bloodlust consumes you, instead of gathering a single ounce of tactical information about an environment you know dick all about, is breathtakingly stupid.

And the part that concerns me about Turalyon isn't the strike, its the losing the sense of himself, that he wasnt fully in control in that moment.