I Can Upgrade My Skills Infinitely!

After Xiao Yuan traveled to another world, he activated a cheat and crushed everything! Not into boxing? Give me an upgrade, and crush the star-destroying technique! Don't want to advance to the level of kicking? Upgrade me and kick the black hole! Unclassified breathing method? Give me an upgrade and upgrade it, and directly crush the cosmic-level breathing method! Not convinced? Beat you until you are convinced! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.