Mass Killing: Sss Martial Soul, Unlimited Upgrades

7 Billion people enter the world of killing in the heavens. Dragon Kingdom, Neon Kingdom, Third Brother, Pickles, Lighthouse, hundreds of kingdoms are at war. Su Yu awakens the top SSS martial spirit at the beginning: the infinite upgrader. What should I do if my skills are not strong enough? Killing monsters gives you skill points, and Su Yu's skills can be upgraded infinitely! "Skeleton Summoning? A level 5 ** skill... Damn it, what's going on with Su Yu's million-level skeleton king?!" "As for the freezing technique, don't be afraid. Wait... A million-level freezing technique?! The Ice Age is coming!" "Draw your sword to cut? Isn't it a small skill that can be learned at level 35... How did you cut down the galaxy!" The other killers fell into a daze as they looked at their powerful crotch-stretching skills. And Su Yu can not only upgrade skills infinitely, but also upgrade equipment, soul rings, soul bones... The million-level skeleton king, holding an enhanced +10w meteor meteor knife, was controlled by Su Yu, and exploded with power that destroyed the world... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.