https://wccftech.com/battle-for-azeroth-season-2-hotfix/

Blizzard has rolled out a World of Warcraft: Battle for Azeroth Season 2 hotfix that reduces all scaled Azerite Powers by 50% in PvP.

The January 22 patch offers the first round of hotfixes for Season 2 of Battle for Azeroth and is available now on the US and EU realms. Aside from the above mentioned changes to Azerite Powers, the patch also offers changes to potions that grant invisibility.