Each hero in KK Heroes has 7 stats:
Speed - Faster heroes attack more frequently.
Attack - Base attack value.
Health - Base hit points.
Defence - Damage reduction.
Critical - Chance to deal double damage.
Hit - Chance to prevent enemy dodge.
Dodge - Chance to avoid an opponent's attack.
Each stat costs only 1 Ability Pointsto improve at the start of each season, but as each stat is improved, the cost of the next improvement rises.
Hero stats and the cost of stat increases resets at the end of each season.