Infusion

Infision is best picked up early-game, as it does not work retrospectively, only adding health for every kill after recieving the item. It is possible to farm large ammounts of health from certain stages, inclusing all stages early-game and in boar beach. The increase in max health per kill synchronises well with moneter teeth as on every kill not only will your maximum health increase but you will also heal. Infusion makes farming more attractive as it increases your chances late-game greter, even though it can still be time consuming to do so.