"Will your opponents give you a warning?" Dark spells were dangerous, always so damn dangerous, but he had his hand on the casting of some. It wasn't what he preferred, but he knew one or two that would work in this situation.

And with only that as a vague warning, he concentrated, focusing enough to pull more magic together before he brought his wand in a somewhat more dramatic flare to wing this spell toward his young opponent with a shouted word. Never could manage silent casting for dark magic.