Here is the proofread version:
[Kill more than ten percent of the life forms to receive great rewards.]
While placing the mask on his face, Ace looked ahead and witnessed an army of distinct-looking creatures approaching them. They had small humanoid shapes, signifying possibilities of intelligence. Sadly for them, they were no more than four feet tall with short stubby appendages, stubby faces, and embarrassingly rough skin with warts all over. Covered in loose pieces of scrap acting as armor, the creatures fearlessly approached the three ships, each looking to kill the Granians. However, all of this changed once they saw a fleshy pink being transform into a frightful beast.
"Transforming already, are we, Cherry?" Anya grinned while she opted to use her Blood Mutant claws. Cherry grunted and growled, standing at eight feet with her claws itching to draw blood from the incoming creatures.