here is what is already implemented.
This first list are skills for each type of troops:
(S) is improved by strength attribute
(C) is improved by constitution attribute
(D) is improved by dexterity attribute
(W) is improved by wisdom attribute
(I) is improved by intelligence
(A) is physical attack attribute which is improved by strength
They impact gathering: dex is rate of rss gather, str is rss capacity
They impact basic attack: str is damage, dex is hit rate
They impact hit points: con is maximum hp
They impact defense: con, dex contribute to physical defense
They impact magic defense: int, wis contribute to magic defense
Many other things will be affected by the attributes, however, they are still on the TODO list. The above list are already implemented and active in game.