User blog comment:Sky-Dragoon-Twilight/Weisslogia and Skiadrum, Alive or Dead?/@comment-18654001-20141208200051/@comment-9595671-20141209040604

@Anon: We don't have proof on that

@Nick: Technically Atlas Flame was more present in the physical world as the Etenral Flame, so like Robaul different rules may have applied. Wendy could have "woke him up" in a sense.