Ion Hazzikostas Dragonflight Interview with Korean Webzine Potion - Dracthyr Origins, Exploration, and Player Agency

wowhead.com:

Korean Warcraft webzine Potion interviewed World of Warcraft Game Director Ion Hazzikostas about an expansion based on exploration rather than world ending threats, the origins of the Dracthyr, and increased flexibility within the upcoming talent system revamp. The video is partially in Korean, though questions are also written and answered in English. Quotes below are minorly edited for readability.

Not just a new age of dragons, but also a new age of World of Warcraft, laying foundations for years to come. Alexstrasza and Kalecgos are well established, but some of the other dragon fights are in turmoil — there is no current black aspect and Ysera has been through a horrific journey. Dragonflight is a story of exploration, not stopping a single villain or world ending threat.

The major bosses are still planned out, but similar to Mists of Pandaria, we'll learn about them as we explore the isles. We'll learn who the major villains are during the first few weeks of content (presumably during the leveling process). Within «Dragonflight», the five Dragonflights are expected to lead the story as the central characters, especially Alexstrasza and Wrathion. They were not a part of the main story for some time, what happened to them while they were away? If possible, can you tell us about the final boss or the main threats within this expansion and if it has been decided on within the Dev. team? The story of Dragon Isles is definitely going to be very closely intertwined with the dragon flights and the aspects that once led them, and for some, we know that's Alexstrazsa or we've seen.