User blog comment:LegerPrime/God Serena: Alive or Dead?/@comment-62.113.23.117-20160613222756/@comment-2214433-20160614085832

The focus was on a weird magic seal on August's hand when he said it, so something is definitely up.

Also, God Serena betrayed Ishgar so that he had better chances at taking on Acnologia, that was pretty clear imo.