This is what I got so far. Let me know what I'm missing / if anything is wrong
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Oak Forest: You don’t need exp bud.
Plains: Still no
Cold Taiga: Cows / Lapis
Jungle: Spiders / Lapis
Desert: Zombies / Lapis
Birch Forest: Zombies / Lapis
Savannah: Zombies / Zombie Pigman / Quartz
Extreme Hills: Zombie / Zombie Pigman / Quartz
Swampland: —
Pigman Colony: Zombie Pigman / Quartz
Magma Graveyard: —
Nether Fortress: —
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Oak Forest: You don’t need exp bud.
Plains: Still no
Cold Taiga: Cows / Lapis
Jungle: Spiders / Lapis
Desert: Zombies / Lapis
Birch Forest: Zombies / Lapis
Savannah: Zombies / Zombie Pigman / Quartz
Extreme Hills: Zombie / Zombie Pigman / Quartz
Swampland: —
Pigman Colony: Zombie Pigman / Quartz
Magma Graveyard: —
Nether Fortress: —