Grim batol 3rd boss bugged

Anyone else enjoy breaking their key after having to defeat the 3rd boss again because he reset?

For me, he reset then we wiped twice because the tank pulled the adds onto me twice. It was great.

After we already beat the damn thing smh.....

Came back later with a different group and the same shit happened. Except we still timed with 5 minutes left.

Thanks blizzard.