Give Experience Points for Everything? Can Anything Be Upgraded?

System + Shuangwen Zhang Ling, who was originally a boxing champion, accidentally traveled to a parallel world during a competition. In this world, humans and adult generations are competing for survival territory, but things have gradually changed since the arrival of Zhang Ling. But as soon as I came here, I had a fight with a tiger! Before he died, he actually activated a system that gives experience points for everything he does and can upgrade everything! Showing off and giving experience points? Slap someone and give you experience points? Win a girl and give you experience points? Everything you do gives you experience points. Are you trying to show off to me? Upgraded shock ability will make you kneel down in fear Can't scold you? I'll upgrade my ability to curse and make you vomit blood. Can't beat you? I upgraded my fist to a unicorn arm Tamed a tiger and upgraded it to the mythical white tiger Caught a sparrow and upgraded it to the mythical beast Suzaku Raised a turtle and upgraded it to the mythical beast Xuanwu Caught a snake and upgraded it to the mythical beast Qinglong Clothes are worn out, upgrade! The house is broken, upgrade it! No money? Upgrade stones into gold? Anyway, you can upgrade anything with experience points! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.