The Meruin was a clone, but it wasn't about to let Tyler know that. Instead it dodged away from the knife as it saw it coming, and the real Meruin generated a spell in front of the clone who mimicked casting, so that it looked like it was the one making the spell. A ball of compressed air exploded outwards, clearing a wide area from the smoke. All of the Meruins raised their hands up, and soon all of them hand a barrier surrounding them while they all continued chanting.