Skill points are points gained when a hero levels up and ce to get or level up one of your Hero's 6 skills or to increase your stats. The cost of a skill is 2 SP and the cost of a stat is 1 SP, you Gain 2 SP per level.
If all points are put towards upgrading skills your skills can all be maxed by level 31.
When you place a Skill point into Health your total health increases by 10
When you place a Skill point into Attack your attack increases by 1
When you place a Skill point into Armor your armor increases by 1
When you place a Skill point into Critical your critcal chance increases by 1%
Placing a point into run will give you a slightly varying amount of run, usually 0.4 or 0.3 per point.
Range cannot be increased with Skill points.