...Wait, what?
"No! Why are we leaving Argo behind!"
"He'll hold them off while we get reinforcements."
"Let me stay, I can fight too!"
"You'll just get Argo caught up in it from here."
That wouldn't have been an issue if you didn't drag her away from him or if he didn't stay behind!
That's a large group of enemies, perfect for her magic, even if it can't be controlled. The way I see it, he's the one that's just getting in the way.