Guys i have a dumb question, how do you replace the vanilla sprites with those? i'm making a new grf and putting those on priority but nothing happens :c

Hi i want to ask, what mechanics are implemented into hercules renewal. Is it post of before the rebalance, if so what is changed and how? i can't find the proper documentation of what kind of mechanics renewal hercules use, also should renewal drop system should be disabled (in a full renewal server)