Blizzard has update their blog with more details on the rewards for Dragonflight Season 2!
Season 2 Tier Sets
New Season AchievementsDragonflight Season 2 Master – Complete one of the following achievements:
Dragonflight Keystone Master: Season Two
Challenger II: Dragonflight Season 2
Heroic: Aberrus, the Shadowed Crucible
Reward: Draconic Mark of Mastery. Bring it to Norzko the Proud at the Obsidian Rest in Zaralek Cavern to receive powerful equipment for your efforts.Note: