Quote Originally Posted by Knaight View Post
They can use a 2 handed weapon just fine. Sure, they need to let go of the weapon with one hand to cast the spell, but since they're only doing one or the other anyways that's not a big deal.
Do note that if the free object use is used to change to a one handed grip on a two handed weapon, you can't use it for Opportunity Attacks. YMMV on how important that is, but it's still worth paying attention to if you're an EK or otherwise care about melee damage.