C++ Script in ue4

1 Project script stat to put on Player and IA and Enemy those that can go maximum 1 to 10 HP (the life) = 10HP Strenght ( basic domage without weapon and + weapon dmg if have it) example: Strengh on 1 = 1DMG, strenght on 2 = 2Dmg Constition ( Life change the HP) example: Constition on 1 = 10 HP, constition on 2 = 11 HP when receive dmg got xp depending on dmg you receive - the defence need 100 permanent to go up Speed ( movement point) example : Speed on 1 = 3 case, speed on 2 = 4 case when use sprint fonction move twice they can do go exp on 6 case and on lvl 2 8 case... need 100 permanent to go up Agility ( jump and decreased dmg to fall) example : jump on 1 = 1 case upper can go, jump on 3 = 2 case up when jump on or receive dmg on fall got exp need 100 permanent to go up Defence (DMG decreased ) example: defence on 1 = 1 dmg decreased when got hit not dmg got exp need 100 permanent to go up Perception (distant can be look ) with fog of war example: perception on 1 = 5 case can look in every direction, perception on 2 = 10 case can look when spot enemy in is range ( not in combat ) got exp need 100 permanent to go up how much this cost me to do that ?