I think he's bluffing. I transmute that arm into molten rock. No, Mr. Troll, we're only illusions. But how, three-meter spiders don't exist. I'll cast fireball on them anyway.
Trolls stink when they burn.
We do not know if they are evil. I'll use the Force to find out. Let me get this straight. My ships attack into Arachnid territory and start shooting anything that moves. You're a nice doggy.