User blog comment:Miskos3/Fairy Tail 514: Dragon Seed, Review/@comment-1359322-20161212113105

The sudden revelation of things in this chapter, i'm not sure what to to say or feel about it. Irene inventing the Dragon Slayer magic, the East and West Dragon, Erza being pregnant at the last stage of the Dragon Slayer magic (i suppose Irene's pregnancy went wrong) and Natsu seemingly reaching his destination. The scale of things revealed in one chapter is quite large and it's starting to get connected to 400 years back, maybe with Natsu and Zeref too.

The story doesn't feel all that bad, but it does feel somewhat forced. Like Mashima wanting to make sure Erza is linked to Natsu's situation like the others. After all Erza was the only one of the human teammate Natsu has that isn't connected to Zeref yet now she has one through Irene. Just don't make Erza another Dragon Slayer Mashima.

And we finally have an answer behind the Dragon Slayer's motion sickness, the Dragon's senses are better than the human ones. I really thought this was a gag and won't be answer.