NO! NO you don't understand, once he's within range, it's ALL OVER. He absorbed fifty pegasus's magic at ONCE. He absorbed all of the alicorn magic. He consumes all magic, and for a while Discord was helping him until Tirek turned on Discord and absorbed HIS magic.

HIS MAGIC. The EMBODIMENT OF CHAOS AND DISHARMONY. He just opened his mouth and sucked him dry. It's a miracle any of us are alive.