Sounds great. Would make her a lot more interesting as a character.
Especially when siding with goblins to kill druids doesn't really make any sense even for evil characters. I probably would never be able to recuit her without her turning on the Absolute.
And here's a thing I think Larian never understood: Being evil does not mean siding with the Absolute or shoving brain worms in your head for more power. Evil means doing evil selfish things to get rid of the Illithid parasite in your brain meant to control or kill you. She could also remain an evil vengeance Paladin against the Absolute for a neutral party.
And the game needs an incentive for an evil Tav where killing all the Druids could get you a cure - and you could use Minthara and the goblins to get it. That would be a far better evil route but I guess it's too late now.