Farms are an essential part of Minecraft, especially in Survival and Hardcore mode. They can be a constant source of food and resources. Expand the definition a bit and we can also include experience.
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20 best XP farms for Minecraft 1.21

XP remains one of the most valuable resources in Minecraft 1.21, but the best farms for experience also gather important materials for you to use.
Minecraft 1.21's Potions of Infestation can be used to farm XP with Allay mobs, surprisingly (Image via Mojang) Minecraft's 1.21 update introduced multiple new potions, including Potions of ...