Blockhead Bosses is a datapack that consists of multiple challenging bosses. Each boss belongs in a different category, offering variety in terms of gameplay.

Defeating bosses rewards players with unique weapons that feature their own abilities, combat styles, and progression paths, allowing players to tackle increasingly difficult encounters.

This datapack is not designed around casual gameplay. Blockhead Bosses focuses on mechanically demanding encounters that test movement, positioning, timing, combat, and adaptability.

Each boss introduces its own combat style, attack patterns, and gameplay mechanics, offering a wide variety of encounters rather than simple difficulty scaling. In return, players are rewarded with powerful weapons and abilities capable of handling the increasingly dangerous challenges ahead.

More content is planned for future updates.

IMPORTANT NOTES:

• This datapack breaks blocks and modifies the world during boss fights or when using certain weapons. Use with caution in existing worlds.
• Weapons are intentionally overpowered. Use with caution when introducing them to an existing world or server.

✅ Supported Versions

• 1.21.11
• 26.1.x

⚠️ Compatibility

• This datapack modifies and manages custom entities and boss systems. Merging it with other datapacks that overwrite or heavily alter entity behavior may cause conflicts or unintended behavior.

• This datapack includes a custom dimension accessible through falling into the void. Datapacks or mods that modify void behavior, world generation, or dimension handling may interfere with this system.

• Bosses and weapons are designed primarily for Vanilla Minecraft entities. Modded entities or non-vanilla mobs may not be fully recognized by boss targeting systems or may not interact correctly with weapon mechanics.

Use with caution when combining with other combat or boss-related datapacks.

I recommend watching the videos below for a complete overview of boss mechanics and summoning. It also provides useful insight into the weapon systems, though some details may not reflect the latest updates.

📺 Videos

All Bosses Showcase (v2.5.3)

(all bosses guide will be made soon)

(all weapons guide will be made soon)

Weapon Guides (Legacy)

(https://youtu.be/XHxl4T0kvmA?si=RsI2qqgbh8QkxFd8)

📷 Images

All Bosses (v2.5.3)

All Weapons (v2.5.3)

⚔️ Boss List (v2.5.3)

Ordered by Difficulty (Hardest to Easiest)

1. Erebus, The First Fracture
2. Voltaris, The Profaned One
3. Providence, The Soulweaving Emissary
4. Atropos, The Executioner
5. Primal Invocation
6. Wither

📋 Boss Roadmap (v2.6)

Ordered by Priority

1. (REWORK) Primal Invocation, The Unstable Manifestation
2. Pyre, The Scorching Flame
3. Odysseus, the Many-Minded

📜 v2.5.3 Changelog

2.5.3 CHANGES:

VOID DIMENSION

• now has ambient sounds
• it is now fully bright in the dimension again
• having accretion grants you access to the void dimension

GENERAL

• optimizations to everything (huge optimizations to erebus)
• multiple bossbars of the same boss are now possible
• fixed all weapon related bugs where enchantments given by an ability dont get removed when stored inside any storage block
• small note: a weapon named Aurelion is released and is open for testing. though, expect some bugs and some things that aren't supposed to be there. will be fixed next subversion or major version

PROVIDENCE

GENERAL

• fixed file and folder structure
• applied ID to a few things
• removed execution mechanic
• wielding an axe near providence no longer gives strength
• updated "ITS YOUR LUCKY DAY!" into something Voltaris related
• triggering a phase through commands now do the animation
• fixed a hidden setting (unable to desp phase)

ATTACKS

• Down Smash: added explosion shockwave vfx
• Vortex: wither skulls have 1.6x (5 > 8) more additional damage

WEAPONS

• all abilities are now id based
• all explosions are now enchantment based
• ambient vfx change for ethereal retribution, soul cleaver, and soul flare
• Soul Cleaver: -"Damnation": - reworked, no longer drags entities, and it now passes through blocks. - hitting an entity with it will give you more max hp (maximum of 4 caught, 10s duration, 2 hearts per caught entity). - deals 1.47x (21 > 31) more damage and has a center hitbox where it deals 1.65x (31 > 51) more damage. - has increased its hitbox horizontally (1.5 > 4.5 blocks). - self-debuff slowness and mining fatigue slightly decreased duration. - decreased life ticks by 20% (100 > 80)
  • "Uppercut Vortex" gives Saturation 1 if an entity is hit after the initial explosion.
  • "Ground Smash": gives Saturation 2 if hit successfully.
• Ethereal Retribution:
  • "Soul Reap": no longer gives victim's knockback resistance
  • "Retribution":
    • stores the user's movement speed post hit instead of constantly
    • can now call the ability while sprint crouch jumping
  • "Undead Coagulaion": no longer explodes
• Soul Flare:
  • "Pulse Burst and Pulse Beam":
    • removed the "is ready" text at the end of the ability name when the ability is able to be used
    • slight sfx and vfx changes
  • "Pulse Beam":
    • increased explosion kb range by 50% (3 > 3.5)
    • decreased explosion kb multiplier by 16.67% (1.3 > 1.1)
  • "Skullrain": initial summoner arrow is now killed to prevent the user from hitting themself
  • "Celestial Drag": rework
  • "Stinger": rework
• Soul Cleaver:
  • "Ground Smash": no longer damages only one entity
  • "Falling Smashes":
    • no longer does self damage in the end
    • buffed explosion damage by 50% (10 > 15)
  • "Uppercut Vortex":
    • initial explosion now immediately sends the user to the ground
    • uppercuts now only works with the weapon itself only
    • uppercuts now increase your attack speed by 1
  • "Hour Glass Density": user can now use enderpearls
  • "Explosive Lunge":
    • explosion damage is now much more consistent
    • "Explosive Lunge": explosion is now as big as ground smash
    • "Explosive Lunge": increased distance by 10
• Rampage: vfx and sfx tweaks

EREBUS

GENERAL

• can now do random targeting when fighting players
• now targets other entities within its radius instead of having to be hurt by the other entity
• phase 3 now breaks blocks

ATTACKS

• Blitz:
  • slightly increased vfx
  • hits are more consistent
  • now breaks blocks

WEAPON

• Ejection:
  • you no longer can shoot shards during another ability, except during Disruption.
  • shards now pause during disruption and aim towards entities once the ability ends.
  • shards now shoot at the direction you are looking at
  • shards damage reach nerfed by 50% (3.5 > 3)
• REMOVED "Wielding Beyond", replaced with "Entropic Threshold"
• Entropic Threshold
  • removed player attribute nerfs when holding the weapon; moved to Entropic Threshold and retains the debuff even if the weapon is not in the inventory.
  • cooldowns are now 2x faster unless the stack of "Entropic Threshold" is >6 where it reverts the cooldowns to the original.
  • Each ability grants 1 stack. Every 3rd stack causes further deterioration onto the user's body.
  • Takes 30s to diminish 1 stack AFTER an ability.
  • Takes 8s to diminish 1 stack IF no ability is used PREVIOUSLY.
  • 10th stack procs Supernova early and kills the user.
• Great Split:
  • added i-frames during the windup
  • now freezes you in place during windup
  • now deals 2.5x (200 > 500) more damage against entities that aren't major bosses of this datapack (includes players).
  • now does bypass armor and iframes damage type instead of bypass enchantments
  • hits are more consistent

ATROPOS

PASSIVES

• Lethal Presence: fixed a bug where he moves despite having no target

ATTACKS

• Divide: he is no longer forced to do lethal presence after the first slice
• Burst: hits more consistently
• Drift: range nerfed by 3.5 to 3

WEAPON AND ATTACKS/PASSIVES

• everything is now id based
• Slice:
  • is now id based
  • now damages and traps entities after 1 tick instead of 5 ticks
  • slightly changed vfx
• Rend: now damages after 1 tick instead of 10 ticks

WEAPON

• everything is now id based
• Slaughter:
  • now has a poof vfx before dissapearing just like slaughter for atropos
  • hitbox now matches the atropos counterpart (reach changed from 2 to 3)
• Decapitate:
  • 1st-4th slashes order now mirrors atropos decapitate
• Rend, Slaughter, Decapitate, and Paralyze now give the bleed effect
• Paralyze: improved vfx and sfx
• Lethal Presence:
  • fixed a bug where looking directly at the ground activates the ability
  • now works as originally intended

VOLTARIS

GENERAL

• can now do random targeting when fighting players
• phase 2 now triggers at 45% (160) instead of 25% (100) hp left
• now only has resistance 1 when regenerating stamina

ATTACKS

• Photoelectric Death:
  • (PHASE 2 VARIANT) now summons a stormed annihilation explosion after the slam when caught
  • nerfed slam damage multipler by 30% (1 > 0.8)
• Stormed Annihilation:
  • fixed bug wherein its damage is from Charged Essence's "Detonate" ability
  • nerfed damage range (4.5 > 3.5 blocks)
• Profaned Plummet: now locks to the ground if the target is not in the air or is too far away
• Relentless Wrath:
  • punches and kicks' reach decreased by 0.083% (1.2 > 1.1) (Relentless Wrath is now easier to dodge)
  • kicks now do knockback (just like how indev voltaris did)
• Resonant Collapse" - completely invulnerable during the entirety of the attack
• changed attack combos (better gameplay imo)

WEAPON

• Storm Cycle:
  • fixed stack loss sfx bug wherein it doesn't play
  • stack gain and loss sfx is now slightly less loud
  • now gives speed
  • now gives jump boost (by sneaking)
• Detonate: fixed bug wherein its damage is from Voltaris' "Stormed Annihilation" damage
• Discharge: warn sfx is now slightly less loud
• Overclock:
  • nerfed damage range (3 > 2 blocks)
  • punches and kicks now allows you to go through blocks
  • now gives you +1 attack speed while using the ability
• Cascade:
  • damage scales depending on entity or boss
  • damage scaling deteriorates the higher the hierarchy of the boss in this datapack
  • has a significantly bigger hitbox (reaches up to 15 blocks in radius) compared to Voltaris'
  • against PLAYERS; damages from 70/40/30 to 1300/800/50 (18.6x/20x/1.67x [or an average of 13.42x increase in damage])

WITHER

• is now id based

📜 v2.5 Changelog

VERSION 2.5 FULL CHANGELOG (SUMMARY OF CHANGES)

• TWO NEW BOSSES: VOLTARIS AND EREBUS (unlocked after beating providence)
• TWO NEW WEAPONS: CHARGED ESSENCE AND ACCRETION (dropped by voltaris and erebus)
• NEW DIMENSION: VOID (unlocked after beating providence)
• ATROPOS REWORKED

IN-GAME GUIDES:

• Items, Bosses, and Weapons now have an in-game guide explaining how to get/spawn them (more details:)
• a message in chat will appear after beating a raid which leads to Atropos
• Decayed Nether Star is unlocked as a recipe after having any of its requirements (obsidian, ender eye, nether star)
• after beating Primal Invocation, you can now right click while holding the boss drop to view the next item's recipe
• after beating Providence, you can now right click while holding the boss drop (Vivid Remains) to view multiple recipes. (Includes: other bosses and providence weapons)
• Thunderstorms with a lightning have a random chance to spawn Voltaris' spawn mechanic recipe post-providence (Alternatively, repeatedly hit a lightning rod with trident with channeling until it spawns.)
• Voltaris spawn mechanic item includes a recipe after right clicking while holding
• Erebus death boss drop includes a recipe after right clicking while holding

COUNTERS

• added enchanted golden apple, elytra, and trident with riptide counter to Primal Invocation, Providence, Voltaris, and Erebus

CHANGES UPCOMING IN THE NEXT VERSION:

• Primal Invocation rework
• Boss Trophies
• New Bosses: Odysseus and Vixen
• Optimization and Bug Fixing
• Fully Implemented ID system (to support stuff like multiple of the same boss existing in the world.)

Credits to these people!

• DiamondCaptain - lead developer, concept design, main coding
• marred53 - development, concepts, textures, coding
• "Shar" - datapack icon
• pocketducko, ollieskittlelord/player121003, Naj, Nothingness - ideas, weapon abilities, boss concepts, and art contributions

discord server: https://discord.gg/c5cbKyaQgj