Over a mana geyser in an isolated area of the Distar Region, Golden Griffon academy.
Unlike her so-called ally, the Dead King of the Undead Courts, Thrud had trustworthy Awakened at her service. The moment Orpal shared with his associates the secret of Awakening they would abandon him whereas the members of her army shared her dream.
She had sent Protheus instead of a Skinwalker not because she was afraid of their potential like Lekha had said, but to keep an eye on her investment without endangering the life of any of her followers.
She didn't Awaken the Hati or the Traughen because they would have ended up like Ekidna, forever trapped on a mana geyser. This way, instead, they could freely remove the Harmonizer and simply go back to their fallen state.
It wasn't pleasant, but it beat the alternative.
"What do you think of this project?" She asked after Glemos' death had caused the destruction of all the Harmonizers in her possession.