Complex sentence: Her natural weakenss is Jade, which keeps her from "ghosting" out and being able to pass through objects while she discovers she has the ability to "jump", but must cross a sort of "Hell" in order to do so.
Split into simpler sentences: Her natural weakenss is Jade, which keeps her from "ghosting" out and being able to pass through objects. She discovers she has the ability to "jump" but must cross a sort of "Hell" in order to do so.