OVR.(Overall) is a visual representation of the comprehensive ability of the player's position and is also the only standard to determine player’s current rarity. Which means rarity will improve as player’s OVR. grows. 

C：45~54

B：55~64

A：65~74

S：75~84

SS：85~94

SSS：> 94

OVR. is consisted by ‘Basic OVR.’ and ‘Extra’.

Basic OVR.

Player was born with a Basic OVR. number, and this number can be increased by 20 at most through playing matches or training. And the max limit of Basic OVR. determine how many times a player can be advanced. 

Different players usually born with different Basic OVR.

Extra

Player over C rarity can be advanced by consuming a same player as material, to gain Extra Bonus of ability.

Player’s all ability will increased by 5 when he get advanced every time.