Nivet

In The Lab, Nivet was a child who was raised by Cynosura along with another child. Nivet secretly goes to meet with Sigma and ends up befriending her; however, their relationship was complicated and turned to shambles once Sigma killed Cynosura and fled The Lab. Nivet follows Sigma into a portal into Yunus, and spends years hunting her down. However, a lodehawk crisis ends up forcing them to work together, and Nivet reluctantly joins Sigma's Octant.
Once the crisis is dealt with and the Octant rules over Yunus, Nivet withdraws, refusing to take part in their activities. Coel's disappearance becomes a catalyst for her to decide to end things once and for all.

Nivet usually only says what she feels needs to be said, but she does not mince her words. Her harsh words give an impression that she doesn't care for people much in general. Though she appears humourless, when she does loosen up she shows a deprecating sense of humour. She's become incredibly single-minded and bitter from her experiences, she is still capable of warmth and listening to sense in certain contexts and with certain individuals.
She spends a lot of time in her own garden/forest.