The strongest upgrade

A young man with no martial spirit and no talent unexpectedly managed to level up in a fight, and since then he has soared into the sky
God of War system, fighting upgrades, killing enemies to upgrade, no cultivation, no pills, no absorption of spiritual energy, the strongest upgrade must be me
In Tianyuan Continent, the strong respect the weak and are bullied, and the young man vows to surpass all the strong!Looking down on the billions of worlds.
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