My Mental Power Is Zero, but I Can Tear 3S-Rank Zerg Apart with My Bare Hands

[No central romance, but some characters will have one-sided feelings for the female lead] [The author is very protective of the heroine, whose golden finger is powerful and ridiculously overpowered] [The heroine isn't perfect and has some minor flaws] The Garden of Eden game was launched by Saffron, the most powerful planet in the Federation. Each of the Federation’s forty planets sent a team of ten to participate. The winning planet and the victor would receive a huge reward, and the entire game would be livestreamed across the stars. What viewers loved most wasn’t watching the strongest players clear the game, but seeing the lowest-ranked teams find spectacular ways to get themselves killed. As the StarNet livestream cameras swept across the players, viewers saw some get tricked into death by low-level bugs, while others were chased by Class A bugs until they were sobbing and snot-nosed. It was only the first stage, and half the contestants had already been eliminated. [People from bottom-ranked planets are all trash.] [Exactly. If it were me, I’d kill myself before even entering. I’d never want to die in such a humiliating way.] When the camera moved to Lian Fei, she had her head lowered, wiping the knife in her hand. [Her mental strength field is blank in the records. She’s a good-for-nothing with zero mental strength!] And yet this very good-for-nothing kicked an S-rank bug, punched a military academy player with 3S mental strength, and killed an unclassifiable queen bug with her bare hands. Later, people dug up the truth: Lian Fei was actually number one on the DOL Combat Rankings; she was the first to clear the Hell Dungeon that nobody else could beat, earning herself the nickname Big Sis from the entire StarNet; and she was a mysterious powerhouse whom all four military academies begged to enroll. The entire interstellar world was stunned. Wait, you call this a good-for-nothing?!