We've heard her say this before...
Here we go! We finally get to learn a little bit more about Drath and some vague hints as to Thistle's backstory again.
Daughter of the Lilies Subreddit
EDIT: Reminder that Drath will say anything they think will hurt, weaken, and/or traumatize, so literally nothing they say can be trusted. Be aware of this as you move forward with your theories!