An example of an imbuement class from Pathfinder:
https://www.d20pfsrd.com/classes/pre...arcane-archer/
Every use of imbuement costs FP. Every imbuement requires a skill roll (Still needs a stat) and there is the cost of a base advantage that is required to perform imbuements.
But yes, it can do a lot of fun things if GMs just let people go wild.