This value is used for ranking buildings providing attack or defense bonus for the attacking army. How many FP is 1% of either attack or defense boost worth to you?
It will take __days__ days until the investment of __costs__ FP has been returned with a daily production of __fpproduction__ FP/day and __attackproduction__ % attack bonus (equals __attackproduction__ * __attackvalue__ = __attackproductionvalue__ FP/day)
It will take __days__ days until the investment of __costs__ FP has been returned with a daily production of __fpproduction__ FP/day and __attackproduction__ % attack bonus (equals __attackproduction__ * __attackvalue__ = __attackproductionvalue__ FP/day)