Original sentence: The Terra miniseries has revealed that she is a member of an alien race called Stratans who live below the Earth's surface in a massive subterranean cave called "Strata" which is actually the empty spacesuit of a long dead cosmic extraterrestial, and possesses a rare mutation granted by a unique ore called "Quixium" which grants her the earth powers she wields
Edited sentence: The Terra miniseries has revealed that she is a member of an alien race called Stratans who live below the Earth's surface in a massive subterranean cave called "Strata" which is actually the empty spacesuit of a long dead cosmic extraterrestrial, and possesses a rare mutation granted by a unique ore called "Quixium" which grants her the earth powers she wields