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[Tower defense + super upgrade + slap in the face + coolness ] In the martial arts arena of the Tower Defense Academy, sarcasm poured in like a tide. "Wu Sheng? That scumbag who can't even afford an underground turret?" "Level 0 biological tower? You're laughing so hard! This piece of iron can't even withstand the tide of first-level beasts!" "I bet he won't last three minutes - Master Lin's mechanical defense tower is ready to collect the corpses!" But Wu Sheng held the blade of grass in his mouth and lightly traced the turret base with his fingertips. "Ding - energy fluctuations are detected, and the infinite upgrade program is started." As soon as the first-order demon wolf on the martial arts field pounced towards him, the turret suddenly let out a deafening roar and minced the demon wolf into mincemeat! "Is this fucking level zero?!" Lin Xiaoman's glasses cracked into cobwebs, and his trembling words were completely stuck. Su Ye's hand holding the ancient book had veins popping out, and the ends of his eyes were red: "The 'Infinity Tower' in the ancient fragments... Turns out to really exist!" Wu Sheng, stepping on the ruins on the ground, tilted his head and looked at the stunned examiner: "That's it?"