How to keep Wyll and romance Minthara (take the goblins’ side, attack the Grove)?

I found this way to keep Wyll in my squad, while spending the night with Minthara. 1. On your first visit to the Druid Grove, don’t talk to Wyll. You can do all your business, but I recommend sending 1 character to steal the Idol of Silvanus. Then you can rebirth your character. 2. Druids will kill all tieflings and Wyll. You must return to the Druid Grove and kill the druids. Then rebirth Wyll. Important! You should not have a free place in the squad at this moment. Wyll will ran away. I didn’t find him in my camp. 3. After that, go to the goblin camp, meet Minthara and tell her that you know the location of the grove. You can also kill Karlach at this moment. There is no way to invite her to your camp if tieflings are dead. 4. Spend a night. Return to the Druids Grove and talk to Minthara. Spend a night with her (romance scene). 5. Come back to the Druids Grove and find Wyll near the gate. And take him to the squad (there should be a place). At first, Wyll can run away fro