explanation on how my battle system work?

Hello readers this is tropika,today i'm gonna explain on how system stat work and fix some plothole

Anyway into the stat

Exxxxx+ is the strongest people can get but.....z- is the lowest you can go so....i think here some example

Average human

STR:W-

SPD:V+

DUR:V+

INT:105-114

WIS:U-

CHA:M-N

well how strong our mc is well he can destroy half of a planet....not when he is on his buff mode...well you might be asking why didn't roku reflect perfection work when noysd rip his heart huh?...well the skill reflect perfection only work when someone put mana into there attack and....everybody in my novel subconciously do...but noysd turn of his mana for a set of time when fighting someone with magic nulify that why hyrion or roku didn't us their magic nulify on noysd...so you might be asking how can he still use his skill....well skill and magic is different..skill use stamina and magic use mana see the different good...the rank of stat goes like this...

EXXXX+ - Z-

A new info coming soon....

That all byeeeeee~~

The end