#1 - Sept. 13, 2018, 8:09 p.m.
Basically it is possible to bug out mythic mother encounter and start the fight in room 3 gaining the damage increase buff the entire fight. People are intentionally choosing to use this exploit to kill mother. Please ban and fix.
Here is an example https://www.warcraftlogs.com/reports/px4v9b13wKhWXfFL#fight=47&type=damage-done