V Risings Vampire has, ironically, the most difficult life out of all the beings that exist in the world. They have to constantly make upgrades to their armor and surroundings to ensure survival. Hence, crafting better items is a crucial gameplay loop, and you need recipes and ingredients to do so. Speaking of which, the Sludge-filled Canister is an essential crafting material that you will be needing frequently in the mid-late game.