☠ Curse Keeper

A Minecraft Java Datapack — Unique Curse System

Compatible with Minecraft Java 26.x (pack format 107)

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What is Curse Keeper?

Curse Keeper is a datapack that puts every player under a personal curse from the moment they join the world. Each curse comes with its own unique cleanse tribute — a specific challenge that must be completed to lift it. Once lifted, a cooldown of 6 in-game days passes before the next tier of curse is assigned. Progress through all three tiers and the player is free of curses forever.

The system is entirely per-player — everyone is on their own curse journey, independent of others. Some will push through every tier quickly, others might choose to live with their curse indefinitely. There's no timer forcing your hand.

⚠️ This datapack is still in active development. More curses will be added in future updates. Currently 20 curses are implemented.

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How It Works

The Three Tiers

Every player progresses through three tiers of curses, in order:

1. Tier 1 — The player starts cursed. Complete the cleanse tribute to lift it.
2. Tier 2 — After a cooldown of 6 in-game days, a new curse is assigned. Complete its cleanse tribute to lift it.
3. Tier 3 — After another 6-day cooldown, the final curse is assigned. Lift it and the player is permanently free of curses.

The 6-day cooldown only begins after the previous curse has been cleansed — there is no time limit to complete a cleanse tribute. A player can live with their curse as long as they want, or work towards removing it on their own terms.

Cleanse Tributes

Each curse has its own unique cleanse tribute — the specific challenge that must be completed to lift it. Examples include:

• Kill a certain number of a specific mob (e.g. kill 150 Skeletons)
• Earn a specific in-game advancement
• Consume a specific item a set number of times
• Reach a certain milestone while cursed

The tribute varies per curse, so every tier may require a completely different kind of challenge.

Curse Effects

Curses affect players in different ways depending on which curse they receive. Current effect types include:

• Reduced max hearts — permanently removes a set number of hearts while cursed
• Dimension damage — the player takes damage when entering or staying in certain dimensions
• End access blocked — the player is prevented from entering the End
• Reduced movement speed — the player moves significantly slower
• XP drain — experience levels are slowly siphoned away over time
• Mob aggro — certain mobs within range aggro onto the player automatically
• Sunlight burn — standing exposed under the sun in the Overworld sets the player on fire
• Moonlight burn — standing exposed under the night sky sets the player on fire
• Water damage — being submerged in water deals constant damage
• Villager sickness — proximity to villagers applies Poison and Nausea
• Nature's toll — breaking grass blocks periodically applies Slowness
• Sleep penalty — each time the player sleeps, they lose 1 max heart permanently
• Death penalty — each death permanently removes 1 max heart
• Night mob spawn — a powerful mob spawns near the player periodically at night
• Area nausea — being near certain blocks applies Nausea
• Food sickness — eating the same food repeatedly causes Hunger and Poison
• Armor speed penalty — wearing heavy armor reduces movement speed

New Mechanics

• Carved Pumpkin — Wearing a carved pumpkin reduces the effects of Vampirism and Moonbound

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Curse List

Tier 1 — Quirk

Curse	Effect	Cleanse
Bone Debt	Max health reduced by 3 hearts	Kill 150 Skeletons
Sluggish	Movement speed reduced by 30%	Walk 5,000,000 cm
Villager's Bane	Poison & Nausea applied within 5 blocks of a villager	Kill 10 Iron Golems
Arachnophobia	Spiders aggro within 48 blocks, a spider spawns near you every 2 minutes at night	Kill 100 Spiders
Rootbound	Every 10 grass blocks broken applies Slowness II for 5 seconds	Kill 100 Creepers
Bee Marked	Bees within 16 blocks aggro onto you automatically	Consume 20 Honey Bottles & 20 Honeycombs
Campfire Cough	Nausea when near active furnaces, smokers, or campfires	Have 64 cooked cod in your inventory
Heavy Plate	Non-exempt armor (iron, copper, gold, diamond, netherite) slows you. 1 piece = -5%, 2 = -10%, 3 = -20%, 4 = -40%. Leather and chainmail are safe.	Kill 50 Skeletons & 50 Zombies

Tier 2 — Affliction

Curse	Effect	Cleanse
Frail Vessel	Max health reduced to 6 hearts	Obtain full Diamond armor
Nether Sickness	1 heart damage every 15 seconds in the Nether	Enter a Nether Fortress (A Terrible Fortress)
Soul Drain	Lose 1 XP level every 30 seconds	Reach level 50 while cursed
Vampirism	Standing exposed under the sun in the Overworld sets you on fire. Wearing a carved pumpkin reduces this effect.	Kill 20 Phantoms & consume 20 Milk Buckets
Grave Pact	Each sleep removes 1 max heart permanently, death resets to full	Reach 1 heart then kill the Wither
Landlocked	Being submerged in water deals constant damage (3-second delay before damage applies)	Obtain the Conduit Power effect
Picky Eater	Eating the same food 4+ times causes Hunger and Poison. Sweet berries are safe.	Earn 'A Balanced Diet' advancement

Tier 3 — Malediction

Curse	Effect	Cleanse
Bloodless	No natural health regeneration	Have every effect applied at once (How Did We Get Here?)
Ender Blockade	Cannot enter the End dimension	Kill 10 Ravagers
Moonbound	Standing exposed under the night sky in the Overworld sets you on fire. Wearing a carved pumpkin reduces this effect.	Kill the Elder Guardian 6 times
Soul Debt	Each death removes 1 max heart permanently, stops at 1 heart	Kill the Ender Dragon 3 times
Echo Marked	A Warden emerges near you every other night	Kill 5 Wardens (curse-spawned Wardens don't count)

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Admin Setup

To grant a player access to the admin panel, run the following command in-game as an operator: /tag <player> add ck.admin

This must be done for each admin after every season reset. To revoke access: /tag <player> remove ck.admin

Without this tag, players will not be able to open the admin panel via /trigger ck.admin.

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Commands

For Players

Command	Description
/trigger ck.showcurse	Shows your current active curse and its cleanse tribute. If you are in a cooldown period between tiers, it shows the remaining time until the next curse arrives.

For Operators

Command	Description
/function curse_keeper:admin/panel	Opens the admin panel
/function curse_keeper:admin/reset_all	Fully resets the datapack — clears all scoreboards, scheduled functions, and curse data
/function curse_keeper:admin/reset_player	Clears all curse data for the targeted player
/function curse_keeper:admin/list	Lists all players currently tracked by the curse system
/function curse_keeper:admin/toggle_dev	Toggles dev mode — shortens cooldown to 2 minutes for testing
/function curse_keeper:admin/toggle_system	Enables or disables the entire curse system

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More curses and features are planned for future versions. For debugging and testing, see DEBUG.md.