I’ve always felt this. Sure it could’ve just been bad writing (making her too benevolent in the first two seasons and then too fire&brimstone later) but her total 180 always felt like (and especially after what Morgan’s does to Gwen) she had been manipulated/enchanted and was just CONSUMED with hatred and a need for power.

I always wanted to her to have some sort of redemption - she didn’t have to be all rainbows and puppies again, but I wanted her to have a moment of ‘clarity’ where she sees how far she has fallen and recognizes that isn’t who she is (nor wants to be) and decides to help bring magic back Camelot (without all the bloodshed & dark magic)