Board Thread:Speculation, Theories, and Rumors/@comment-25912037-20141223043619/@comment-25819077-20150129000220

Because he fused with Solaris and sent himself back to the candle. In typical 06 fashion, Mephiles is stronger BEFORE fusing with Iblis, even though he was clearly weaker that way. Sort of like if Chaos 6 was stronger than Perfect Chaos. Also, that second Mephiles boss fight is up there with Sonic v. Silver for all time most annoying.