Pet Companions

Pet Companions turns vanilla mobs into companions. Each companion is the real mob with its normal movement and animations. It follows you, fights with you and gives you a bonus that gets stronger as it levels up.

How it works

Every companion has its own unlock challenge, for example "Swim 1,000 m and feed a dolphin". Progress is shown in a separate advancement tab and in the companion menu. Things you did in your world before installing the mod count too.
Open the companion menu with K, click a companion to select it and summon it with the button (or double-click). Only one companion can be out at a time.
Companions level up alongside you: a summoned companion gets the same experience you pick up, and you keep yours. The "Give EXP" button lets you boost it with your own levels (every point gives 2 companion EXP). Companions go from level 1 to 100.
At every 10th level the companion reaches a seal. To continue, you pay a tribute (items, and XP levels from the third seal on) and complete a few companion-specific tasks.
Every companion has its own talents in vitality, strength and gift. Companions get stronger through training: defeating enemies, taking hits or using their bonus. You choose the training focus in the companion menu.
Build an Expedition Camp (cartography table + compass + spyglass) and send companions you are not using on expeditions to ten areas – from forest, jungle and ocean to the Nether and the End – but only to places you have been yourself. Companions that fit an area have a better chance; expeditions can fail. Send two companions as a team, upgrade the camp for up to three expeditions at once and explore areas for better loot. They bring back experience, items, training and sometimes a Talent Shard, a rare Talent Crystal or a new look.
Villages can have a Talent Seer. Right-click him with your companion out and pay an amethyst shard, and he tells you how talented your companion really is and how far its resistances are trained. Companions learn to withstand rain, fire, drowning and freezing from the damage they take. Talent Crystals are used on his Seer's Altar with your companion nearby.
An unemployed villager near your Expedition Camp becomes an Expedition Leader. For emeralds he calls a companion back from its expedition at once (short 8, medium 20, long 48 emeralds).
Skins: companions with Minecraft variants (wolf, cat, parrot, rabbit, axolotl, chicken, mooshroom, panda, villager) get their real variants, all other companions get color tints. Choose its look with the "Appearance" button in the companion menu.
Health and damage depend on the companion: a warden can take much more than a chicken.
A defeated companion disappears and needs some time before you can summon it again. Stronger companions take longer, higher levels recover faster. Sleeping through the night lets all defeated companions recover at once.
Companions heal slowly over time, also while dismissed. Companions don't take fall damage.
Combat modes: Aggressive, Defend and Passive. Companions never attack players.
Only hostile mobs attack companions. You can sleep with a monster companion nearby.
Water companions (axolotl, dolphin, pufferfish, elder guardian) only appear in water; on land their bonus works at half strength.
You can give a companion its own name with a name tag.
A companion symbol in the top right shows its mode, ability cooldown and recovery time. You can move it anywhere in the settings.

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Companions

Common

Companion	Unlock	Bonus
Bee	Breed 5 bees	Crops grow faster
Cat	Catch 32 fish	Less fall damage
Chicken	Throw 64 eggs	Flutter: catches your fall by itself and gives a short burst of speed
Pufferfish	Fish up 6 pufferfish and eat one	Puff Up: when you get hit, it knocks back, hurts and poisons nearby enemies (cooldown)
Silverfish	Mine 1024 stone (all kinds)	Faster mining with the right tool: up to +7 mining speed at level 100, on top of Efficiency
Slime	Defeat a big slime and have 32 slimeballs in your inventory	Bounce: less fall damage and you bounce back; somersaults in slime chunks
Turtle	Breed a turtle and swim 1,000 m	Shell: less damage from projectiles and melee; locks up when you are low on health
Wolf	Have 32 bones in your inventory and tame a wolf	Pack Leader: more melee damage
Zombie	Kill 50 zombies	More max health

Rare

Companion	Unlock	Bonus
Allay	Give an item to 3 allays	Collects items and pulls experience orbs to you
Axolotl	Breed an axolotl	Stays in water and deals double damage there; plays dead to save you when you are low on health
Dolphin	Swim 1,000 m, feed dolphins 5 times and loot a buried treasure	Dolphin's Grace; Treasure Sense: at sea it points you to shipwrecks, ocean ruins and buried treasure
Endermite	Throw 16 ender pearls	No ender pearl damage, shorter ender pearl cooldown
Mooshroom	Milk 2 mushroom stews from mooshrooms	Daily stew that gets better with level; hunger drains slower
Ocelot	Feed ocelots fish 5 times	Silent Hunter: enemies notice you later; faster on land
Panda	Mine 128 bamboo	Gardener: bamboo, sugar cane and cacti grow faster; more knockback
Parrot	Find a jungle and collect 128 seeds	Finds items and warns you of enemies (makes them glow)
Polar Bear	Mine 64 ice and find a polar bear	Faster everywhere and even more in the cold, walks on powder snow, never freezes
Rabbit	Walk 10,000 m	Higher jumps and more speed, no fall damage up to 10 blocks

Epic

Companion	Unlock	Bonus
Blaze	Kill 50 blazes	Less fire and lava damage, rescue in lava; your hits set enemies on fire; ores drop smelted
Elder Guardian	Kill an elder guardian	Faster mining and breathing underwater, immune to Mining Fatigue, more damage underwater; attacks with its beam
Ghast	Kill 10 ghasts and find a dried ghast	Blast-hardened: less explosion damage, more experience in the Nether, stronger projectiles
Villager	Cure a zombie villager and win a raid	Own trade offers; Hero of the Village from level 50; more luck

Legendary

Companion	Unlock	Bonus
Enderman	Defeat the Ender Dragon and kill 25 endermen	Long Arm: more reach; Endermen don't mind your gaze; dodges projectiles; void rescue
Piglin Brute	Loot a bastion chest, defeat a piglin brute and barter with piglins 128 times	Piglins stay peaceful; more damage in the Nether; better bartering; stronger axes
Warden	Kill a warden	Reveals mobs, immune to Darkness, Sonic Boom, less damage taken
Wither Skeleton	Collect a wither rose (grows where the Wither kills a mob) and kill 50 wither skeletons	Wither Blade: hits inflict Wither, immune to Wither, life steal, bloodlust

Controls

Action	How
Companion menu	`K` (configurable) or `/companions`
Summon a companion	Select it in the menu and click "Summon" (or double-click it), or `/companions call <companion>`
Dismiss	Button in the menu or `/companions dismiss`
Give experience	Automatic while it is summoned; optional boost: "Give EXP" button in the menu (click = 1 level, shift-click = up to the next companion level)
Break a seal, change the look	"Break seal" and "Appearance" buttons in the menu
Training focus	"Training" button in the menu
Expeditions	Right-click an Expedition Camp (cartography table + compass + spyglass)
Settings	Gear button in the top right of the menu: companion sound interval (admins), your own companion volume, cooldown display on/off, portraits or spawn eggs
Rename a companion	Use a name tag on it or `/companions rename <companion> <name>` (no name resets it)
Combat mode	Hold `V`, move the mouse up (Aggressive), left (Defend) or right (Passive) and release; or the button in the menu, or `/companions mode <aggressive\|defend\|passive>`
Mark a target	Press `R` on a creature (up to 24 blocks): your companion attacks it in any mode – even creepers, golems and neutral mobs. Press `R` on a block to send your companion there – once it arrives it does its own thing again. Press `R` into the air to clear the mark
Extra keys	"Summon/dismiss companion" and "Cycle combat mode", unbound by default (Options → Controls → Pet Companions)

Admin commands (OP): /companions give <player> <companion>, /companions setlevel <player> <companion> <level>, /companions lock <player> <companion>, /companions seal <player> <companion>, /companions sound <seconds>, /companions talents <player> <companion>, /companions skins <player> <companion>, /companions expedition finish <player>, /companions recover <player> [companion]

Requirements

Minecraft 26.3 or 26.2 (separate downloads), Fabric Loader, Fabric API, Java 25
Needed on both client and server

Works in singleplayer, LAN and on dedicated servers. Companions, levels and unlocks are saved per player and are not lost on death.

Languages: English, German

Notes

This mod was written with the help of AI (Claude by Anthropic). Game design, balancing and testing are my own. Bug reports and ideas are welcome in the comments.

Support

Pet Companions is and stays free – no content is locked behind a payment. If you enjoy the mod and want to support its development, you can leave a tip on Ko-fi. Every tip helps me keep the mod updated and bring new companions to life. Thank you!