Blue Fire (UP)

The fight is pretty straight forward and had two phases. First phase, just dodge her area attacks and after a bit she will expand get shield. Make sure you jump off the edge of the arena and then dash back. If the shield hits you then she won't take damage when you attack.

Second phase she adds in clones, trick here is that the real one won't flash white when it spawns in.

That's pretty much it, good luck