Greyven the Dragon Eater is the latest Warrior character headed into Breakaway. He arrives just in time for the alpha event that will run from September 9th through September 11th. Greyven is a formidable warrior whose speciality is taking down heavily armored enemies. You can read about him in his dedicated developer blog.
Other things happening during this weekend's alpha event include:
1. Relic Pass homing no longer goes past max pass range 2. Removed hit-stop from all attacks that cause additive reactions 3. Removed expanded grab radius for Perfect Catch 4. AI versus mode is disabled this week 5. Chiyome ability damage tweaks 6. Rawlins damage tweaks
You can check out the full patch notes on the Breakaway site.