Fantasy books for 6 year old

Basically the title. Daughter is not interested in Little House, Anne of Green Gables, etc. she loves The Hobbit, The Princess and the Goblin, Harry Potter (she’s only read the first one).

We were reading the “Alanna” series by Tamora Pierce because I loved it so much as a child…. But I had forgotten that by the second book she has gone from 11 to 18 and things get very sexual! I had to apologize to her and tell her we couldn’t finish it.

So. What are age appropriate recommendations that are still high fantasy/knights/hero goes on a big adventure books?

FWIW, we did not enjoy the Wingfire Saga the first time, but we might give it another go.