@therippyone and @Gothix Problem is reset 1 attribute points is not enough, since the cost in creation point vary... Better to reset all, less problem at the end.
@Needlehawk "preset stat allocations" : very interesting suggestion !
@Gothix "Crybaby players" : It's true, that's why the prestat system suggested by @Needlehawk could deal with some players.
I think, if I have time, I will run some stat change on alpha to see the relation between attribute and other score to help some creation.
PS: In Rpg game you could lose some attribute point very easily (oups... 3 fingers cutted-> 1 dextery in less) and very difficult to up it (with some xp yes, but take a loooooooootttttttt of time)