He smiled as the greenspawn changed him, before triple casting the fire burst spell, incinerating them just before they could strike him. The spawn done, he moved toward the center of the room, 'barely' avoiding each strike thanks to his magic protections, while pounding the Wyvern over the door, distracting it from the approaching party.  He finally dropped that one right after the party came in, and just as the second Wyvern, the one above him, scored a nasty gash along his ribs.