Blizzard has posted hotfixes for today which reverts the recent change to the Guardian Druid Mage Tower, a nerf to the Holy Priest Mage Tower and changes to Timewalking scaling for various Legacy items on the weekly reset. December 13, 2021 Dungeons and Raids
TimewalkingMage TowerGuardian Druid The change made to the Nether Horror's ability to cast while moving has been reverted. Read more on wowhead.com