User blog comment:IamJakuhoRaikoben/Chapter 444: Emperor Spriggan, Review./@comment-26263257-20150713130819

Let me have my knee-jerk reaction over the chapter: Serena "defected" to Albareth when he discovered that Spriggan is Zeref. There might be an ongoing coup in Albareth... Serena may have been sowing seeds of revolt among the Spriggan 12 all along.