"Perhaps the pure water represents something," suggests Isibel. "I have not finished the berries to my satisfaction, but they will not harm you if you would like a taste now."
"Something that is - already pure, I suppose, or that might be expected to become impure but will not," Isibel speculates. "I am not familiar with whether it is likely to be a person, or a place, or an object..."
Then she says, "My Bonded's other Bondmate is a benign demon. Perhaps it has to do with him."
"Well, obviously it's supposed to tell me that he's really for sure not Tainted," he says, flicking his tail, "so I can vouch for him like Gramps did for Vestakia. Except less comfortably, because unless Tialle was way wrong about some stuff, he's still... um, you know... that other thing that makes unicorns twitchy."
"That is good to know," Isibel says. "...The part about him not being Tainted."
"If there are other parts to the message that you have not related, I would help you with them if I can."
"All right. He isn't Tainted. We must work together to defeat the threat. Thank you for telling me."
Eventually Isibel is done with her berries. She cuts a branch to bring back to her teacher, and picks a few to eat. "You're welcome to the remainder," she tells Liselen.
Isibel returns to her teacher, presents the branch, and goes back to learning other spells.
She shrinks away - takes a moment of focus on her breath - emerges into equilibrium - and decides to go to where he is. Maybe she will feel more normal if they have a conversation out loud, maybe it will help.
Things are a little more muffled between them, with his dragon-self sleeping. A very little.
She focuses on walking. She walks. She comes back into the world when she arrives.
"Liselen says you aren't Tainted," she says.