Phyra is, according to Srek NightShade, a pretty accomplished druid and enchantress that lives in the Vile Verdant. The part sought her out in hopes on her expertise concerning the current state of Dursa Lake and possibly helping them with some enchantments.

They found her apprentice Grenvir  and learned that Phyra had been eaten and absorbed by a Spider Creature. After helping Grenvir defeat the creature, Nursery noticed a previously hidden painting of Phyra, so far the only visual they have of her.
 
Her pet cat Lily told Lyräelle that she had seen her being pushed into a potion by Grenvir.