magic jasper
After delivering the 15 feathers and ending the event, she disappears from her usual spot and gets placed inside the building.
Reloading Babel, in my case through quitting and opening the game back up place her back in her spot, but this may require testing from other users to verify whether it's a one-off scenario or if Rhea's entity is misplaced after unloading the event and reloading Babel.
wary fern