Freya sighed. She had been having a rough time simply staying like that for a second. But she did know that the fact of the world was in her hands and she had to do this.
"Whatever happens, you all must promise not to stop until the spell is don." She said. Then, she used the soulstone's power while releasing her ownspirit-form at the same time, casting the start of the spell.
No one probably noticed that she didn't take her body with her, like everyone else, but purposefully left it behind as they went to the ShadowRealm, for that was part of her spell.