I filled the top 2 Dragon mastery blocks. Now playing on any Saga map doesn't earn any experience.
Until this changes, I won't be wasting time there. The DRM content doesn't give any rewards for the 30 min of trash mobs. Then spending time on the final boss for no experience doesn't seem like a good use of time.
Moral Statute Machine: John Spartan, you are fined five credits for repeated violations of the verbal morality statute.