Belos.

Oh shit, sorry, I'm from the future and just spoiled the ending.

Yeah, Luz and Belos both realized that the real villain was his unwillingness to change. They then hug it out and forgive him for that little... you know, attempted genocide, mass murder, manipulation, psychological torture of his subjects, and attempt at killing Luz all those years ago.

Eda, Luz, and Belos then walk into the sunset holding hands and Belos turns to Luz and says, "I guess the real Owl House was friendship all along." And this song plays as the credits roll. All in all, I give that ending a 10/10. I'd stay to spoil the 3 specials for season 3, but Dana Terrace is currently wasted and chasing me with a shotgun, so I gotta go now.