The one whose fire casts are largely determined by his HP? How's about. . .I dunno, saving your cooldowns or slowing dps leading into the last stretch (and not spawning fire patches early on the way) then popping CDs and LB? Just a crazy idea. . .
That, and I'm really wondering if his fire cast can be interrupted. I mean, I'd like to think someone would have commented on that by now somewhere, but I'm really losing faith in this forum's ability to make strategies. . .