Monster Invastion: Attribute Extraction System

In Class 7 at the Ancient Martial Academy, teacher revealed the cultivation talents. Lu Hongkuo shined with a 5-star rating, outperforming peers like Yi Liang and Zhen Quishui. Xun Zhonghou, labeled the weakest with a 1-star, faced mockery for his lack of progress.
Six months into his new life in Cassiopeia, a world valuing strength, Xun struggled without any cultivation success. When a harsh test in the Demon Quelling Tower was mentioned, targeting those like Xun without advancement, he was at a crossroads: face the tower's dangers to prove his worth or leave his dreams behind.
Debating his options, Xun's frustration peaked until killing a mosquito triggered a system in his mind, boosting his cultivation to the Vitality Stage. Excited, he decided to challenge the Demon Quelling Tower, now with newfound strength and a chance to prove his doubters wrong.
"I must enter the Demon Quelling Tower!" Xun declared, now a martial cultivator, determined to face the tower's beasts, despite the risks. This unexpected turn gave him a shot at redemption and a test of his true potential.
Will Xun's newfound power be enough to overcome the tower's challenges, or will this be another step in his journey of growth and discovery?