Yeah if you free her she gives you a pixie bell that you shake/ring and it summons her. She then gives you a blessing that's equal to the Moonlantern lighting but you don't need to worry about staying close to each other like you do with the actual Moonlantern. You can spread out as much as you want. Kinda like Isobel's blessing but way better obviously since it works for deeper shadow areas too. I was under the impression (before I tried it) that it was just the same as Isobel's blessing but it's way better.
