skill-points-to-stat-points

This mechanic allows to convert skill points(skill level +1) to stat points(char attributes:e.g. strength). The exchange rate is (Skillpoints per level)=(Stat points per level), typically 1skill point=5 stat points and vice versa.
This allows players to better balance their skills(by reducing their stats in favor of higher skill levels) or spend unused skill points(covert to stats).