Foursome

She smiled with narrowed eyes, curiosity evident as she continued to experiment, though she soon felt dizzy.

Ryan quickly embraced her and said, "Sister, this ability is not infinite. The higher your mental ability, the longer you can use it. Killing zombies can also improve your mental strength and ability level."

"Okay, then I can go out and kill zombies in the future..." Lily's eyes lit up.

Although she had been taught many abilities before, Ryan had worried about her safety and had not allowed her to go out killing zombies. Now that she possessed superpowers, she naturally no longer needed to worry.

"Yes, sister, maybe you can even become Thor or something—that sounds great," Ryan joked with a smile.

"Hmph..." Lily ignored his teasing and simply enjoyed using her newfound supernatural powers.