National Time Travel: My F-Level Skills Have No Upper Limit

The F-level skill "Gua Sha" is awakened at the beginning, and each attack only increases the attack power by one point. Amid the laughter of everyone, I slashed at the lowest slime. A year later, when the S-class warriors were still forming a coalition to slay the dragon, I swung my sword at the planet. "It's not that your skills are rubbish," I sheathed my sword, "it's that you're not very good at math." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.