A couple of developments in other games

[Vahlnir]

The issues wont be likely be from Blizzards side, it'll likely go poorly because the community itself is so toxic. The fact they are "borrowing" ideas from this game and others says two things: 1. they're now realizing WoW is bleeding subs and need to try something to maybe slow it down and 2. plagiarism is now their way of coming up with new ideas. Especially since your relic weapon in Legion was basically an Anima weapon but more annoying to power up since NPCs did over half the work for you.

WoW's been bleeding subs for years, but that's nothing new really. They've just managed to slow the flow considerably at times. BfA was not one of those times. WoW has been borrowing ideas from other games for years though, and that was well before Legion. MMOs sort of copy each other. Sometimes their content works, sometimes it doesn't but it's all about how it's handled. Blizzard and SE are very much alike in that regard at points. They may have a good idea but don't quite know what to do with it themselves.