YuuTiers
Documentation

The complete YuuTiers
handbook.

Everything you need to know β€” every feature on the platform, every public API endpoint, and the philosophy behind the project.

The Overworld

Mobs

From peaceful cows in the plains to the terrifying Warden in the Deep Dark β€” every creature that calls the Overworld home.

Passive mobs
12
Neutral mobs
11
Hostile mobs
21
Boss-tier
3

Mob behavior types

Passive

Never attack players under any circumstances. Primary food and resource source.

Neutral

Peaceful until provoked. Some defend their group or territory.

Hostile

Attack players on sight. Most spawn in darkness or specific structures.

Passive mobs

Passive mobs never attack you. They're your main food source and provide essential resources like leather, wool, eggs, and trading goods.

Cow

Passive
Health: 10 β™₯
Damage: None
Drops: Raw beef, leather

Found in grassy biomes. Breed with wheat. Mooshrooms are the mushroom variant.

Pig

Passive
Health: 10 β™₯
Damage: None
Drops: Raw porkchop

Can be saddled and ridden using a carrot on a stick. Lightning turns them into Zombified Piglins.

Sheep

Passive
Health: 8 β™₯
Damage: None
Drops: Wool, raw mutton

Shear for wool without killing. Comes in 16 dye colors. Eat grass to regrow wool.

Chicken

Passive
Health: 4 β™₯
Damage: None
Drops: Raw chicken, feather, egg

Lays eggs every 5–10 min. Survives any fall damage by flapping wings.

Rabbit

Passive
Health: 3 β™₯
Damage: None
Drops: Rabbit hide, raw rabbit, rabbit foot (rare)

Fast and skittish. Different colors per biome. Killer Bunny is a hostile variant.

Villager

Passive
Health: 20 β™₯
Damage: None
Drops: Nothing

Trade emeralds for tools, food, books and enchanted gear. 15 different professions.

Wandering Trader

Passive
Health: 20 β™₯
Damage: None
Drops: Leads

Spawns randomly with 2 llamas. Sells rare items like coral and blue ice.

Axolotl

Passive
Health: 14 β™₯
Damage: 2 β™₯
Drops: Bucket only

Found in lush caves. Plays dead to heal. Attacks drowned and guardians. 5 colors.

Glow Squid

Passive
Health: 10 β™₯
Damage: None
Drops: Glow ink sac

Glows in the dark. Found in underground water. Makes signs glow.

Frog

Passive
Health: 10 β™₯
Damage: None
Drops: Nothing

Eats small slimes and magma cubes. 3 colors based on birth biome temperature.

Allay

Passive
Health: 20 β™₯
Damage: None
Drops: Nothing

Collects items matching what you give it. Found in pillager outposts and woodland mansions.

Sniffer

Passive
Health: 14 β™₯
Damage: None
Drops: Nothing

Ancient mob hatched from suspicious sand eggs. Digs up unique ancient seeds.

Neutral mobs

Neutral mobs ignore you until provoked. Endermen are particularly dangerous if you look at their face β€” keep your cursor on their feet.

Wolf

Neutral
Health: 8 β™₯ (wild) / 20 β™₯ (tamed)
Damage: 2–4 β™₯
Drops: Nothing

Tame with bones. Wears a colored collar. Attacks what you attack when tamed.

Iron Golem

Neutral
Health: 100 β™₯
Damage: 7–21 β™₯
Drops: Iron ingots (3-5), poppies

Spawns in villages to defend them. Can be built with 4 iron blocks and a pumpkin.

Bee

Neutral
Health: 10 β™₯
Damage: 2 β™₯ + poison
Drops: Nothing

Will sting if you break their hive or attack them. Stinger kills them after use.

Llama

Neutral
Health: 15–30 β™₯
Damage: 1–3 β™₯
Drops: Leather

Spits when threatened. Form caravans when leashed. Can wear carpets as decoration.

Trader Llama

Neutral
Health: 22 β™₯
Damage: 1–3 β™₯
Drops: Leather, leads

Accompanies wandering traders. Stronger than normal llamas.

Polar Bear

Neutral
Health: 30 β™₯
Damage: 4–6 β™₯
Drops: Raw cod, raw salmon

Mothers with cubs attack on sight. Adults swim fast.

Dolphin

Neutral
Health: 10 β™₯
Damage: 2–3 β™₯
Drops: Raw cod

Gives Dolphin's Grace speed buff when swimming nearby. Leads to shipwrecks when fed fish.

Fox

Neutral
Health: 10 β™₯
Damage: 2 β™₯
Drops: Nothing (may drop held item)

Nocturnal. Can pick up items. Bred foxes trust players. White foxes in snowy biomes.

Goat

Neutral
Health: 10 β™₯
Damage: 1–2 β™₯ (ramming)
Drops: Nothing

Rams players and mobs. Can jump 10 blocks high. Screaming goats are rare.

Panda

Neutral
Health: 20 β™₯
Damage: 4 β™₯
Drops: Bamboo

7 personality types. Only aggressive pandas attack back. Breed with bamboo in jungle.

Enderman

Neutral
Health: 40 β™₯
Damage: 7 β™₯
Drops: Ender pearl (0-1)

Hostile when you look at their face. Teleports away from damage. Cannot enter water.

Hostile mobs

Hostile mobs spawn in darkness (light level 0) or in specific biomes and structures. Most undead burn in sunlight. The Warden is in a class of its own.

Zombie

Hostile
Health: 20 β™₯
Damage: 2–4 β™₯
Drops: Rotten flesh, rare: iron, carrot, potato

Burns in sunlight. Breaks doors on Hard difficulty. Baby zombies are faster.

Husk

Hostile
Health: 20 β™₯
Damage: 2–4 β™₯ + hunger
Drops: Rotten flesh, rare: iron

Desert zombie variant. Does not burn in sun. Inflicts Hunger effect.

Drowned

Hostile
Health: 20 β™₯
Damage: 2–6 β™₯
Drops: Rotten flesh, rare: trident, nautilus shell

Water zombie. Throws tridents. Only natural trident source. Spawns in oceans and rivers.

Skeleton

Hostile
Health: 20 β™₯
Damage: 2–5 β™₯ (arrow)
Drops: Bones, arrows, rare: bow

Excellent archer. Burns in sunlight. Can pick up armor and weapons.

Stray

Hostile
Health: 20 β™₯
Damage: 2–5 β™₯ + slowness
Drops: Bones, arrows of slowness

Frozen biome skeleton. Arrows cause Slowness. Doesn't burn in sun.

Bogged

Hostile
Health: 16 β™₯
Damage: 2–4 β™₯ + poison
Drops: Bones, arrows of poison, mushrooms

Swamp skeleton added in 1.21. Shoots poisoned arrows. Found in swamps and mangroves.

Creeper

Hostile
Health: 20 β™₯
Damage: Explosion (up to 49 β™₯)
Drops: Gunpowder, music disc (if killed by skeleton)

Silent until the hiss. Charged by lightning for 2x damage. Iconic mob.

Spider

Hostile
Health: 16 β™₯
Damage: 2–3 β™₯
Drops: String, spider eye

Climbs walls. Becomes neutral in daylight. Cave Spiders are smaller and poisonous.

Cave Spider

Hostile
Health: 12 β™₯
Damage: 2 β™₯ + poison
Drops: String, spider eye

Found in mineshafts. Small enough to fit through 0.5 block gaps. Always poisonous.

Witch

Hostile
Health: 26 β™₯
Damage: Splash potions
Drops: Glass bottles, sticks, redstone, glowstone, spider eyes, gunpowder, sugar, potions

Throws harmful potions and drinks healing potions herself. Found in witch huts.

Slime

Hostile
Health: 1-16 β™₯
Damage: 0-4 β™₯
Drops: Slimeball (small only)

Splits into smaller slimes when killed. Spawns below Y=40 in slime chunks or in swamps.

Phantom

Hostile
Health: 20 β™₯
Damage: 2–6 β™₯
Drops: Phantom membrane

Spawns if you go 3+ days without sleeping. Burns in sunlight. Membrane repairs elytra.

Silverfish

Hostile
Health: 8 β™₯
Damage: 1 β™₯
Drops: Nothing

Hides in infested stone. Calls nearby silverfish when attacked. Found in strongholds.

Pillager

Hostile
Health: 24 β™₯
Damage: 3–5 β™₯
Drops: Crossbow, arrows, ominous bottle

Spawn in raids and outposts. Killing captain gives Bad Omen. Hostile to villagers.

Vindicator

Hostile
Health: 24 β™₯
Damage: 7–19 β™₯
Drops: Emeralds, iron axe

Powerful melee illager. Found in woodland mansions and raids. Very dangerous.

Evoker

Hostile
Health: 24 β™₯
Damage: Fangs (6 β™₯), Vexes
Drops: Totem of Undying, emeralds

Summons vexes and fangs. Found in mansions and raids. Drops guaranteed totem.

Ravager

Hostile
Health: 100 β™₯
Damage: 12 β™₯
Drops: Saddle

Massive beast that spawns in raids. Destroys crops and leaves. Can be stunned with shield.

Vex

Hostile
Health: 14 β™₯
Damage: 5–9 β™₯
Drops: Nothing

Summoned by Evokers. Flies through blocks. Attacks with iron sword. Times out eventually.

Guardian

Hostile
Health: 30 β™₯
Damage: Laser (6 β™₯)
Drops: Prismarine shard/crystal, raw cod

Found in Ocean Monuments. Laser attack charges up. Inflicts Mining Fatigue with Elder.

Elder Guardian

Boss-tier
Health: 80 β™₯
Damage: Laser (8 β™₯)
Drops: Wet sponge, prismarine, cod

3 per monument. Inflicts Mining Fatigue III on nearby players. Mini-boss mob.

Warden

Boss-tier
Health: 500 β™₯
Damage: 16–45 β™₯
Drops: Sculk catalyst

Blind. Senses vibration and smell. Spawns from sculk shriekers. AVOID AT ALL COSTS.

Spawn mechanics

ConditionEffect
Light level ≀ 0Hostile mobs can spawn
Light level > 0No hostile spawns (except special cases)
Distance from playerMobs spawn 24-128 blocks away, despawn at 128+
Mob capLimited mobs per area based on chunk count
Peaceful modeNo hostile mobs spawn at all

Avoid the Warden

The Warden has the highest health pool in the game and can one-shot unarmored players. It spawns in the Deep Dark biome when sculk shriekers trigger four times. Sneak, place wool to muffle vibrations, and run β€” do not fight it.