A very controversial character, she dies equally in the walkthroughs for good and for evil. In an evil walkthrough, I lacked the option to kill her in person when Minthara gave such an order
I think this is more for some kind of neutral path. Larian can be made an optional hard-to-get NPC in the camp with the possibility of romance, but it's strange.
To do this, you either need to talk to Minthara and pass a charisma check so that she spares the goblin, or pass a charisma check with the tiefling leader after defeating the grove. As an option