It has a protagonist who is utterly unlikeable from start to finish and side characters that are actually worse.
The Black Cauldron nearly single-handedly killed Disney animation, and that’s just the beginning of this one.
Instead, we get an adventure made up of characters you’d never want to go on an adventure with in the first place.
It had such potential as a more mature Disney feature, and in another era, this would have been handled properly with an eye toward making this a franchise in its own right.