Magma Cube icon

Magma Cube Summon Command Generator

  • Category: hostile
  • Baby variant: no
  • Entity id: minecraft:magma_cube

Magma cubes are the Nether's bouncing hazard: fire-proof, fall-proof, and armored, they fill a different niche from their swamp cousins. Where a slime is a numbers problem, a magma cube is a positioning problem; each leap telegraphs an arc, contact hurts even mid-air, and the split on death turns one dodge into three.

Use this generator to produce a magma cube /summon command with a name, health override, riders, or traits. Persistent matters more than usual here because basalt-delta ambience relies on cubes staying put between visits, and no_ai freezes the bounce cycle for lava-forge set dressing.

Keep the split mechanic in mind when budgeting difficulty. Health overrides apply only to the cube you summon; the smaller cubes it breaks into are fresh entities with stock stats. A boss magma cube is therefore really a wave fight, and arena floors need room for the spill.

Example commands

Delta ambience cube

/summon minecraft:magma_cube ~ ~ ~ {PersistenceRequired:1b,Silent:1b}

Silencing the squelch and slam sounds lets the cube read as environmental motion rather than an audible threat cue.

Forge boss cube

/summon minecraft:magma_cube ~ ~ ~ {PersistenceRequired:1b,CustomName:"Core of the Crucible",CustomNameVisible:1b,Health:80f,attributes:[{id:"minecraft:max_health",base:80}]}

Eighty health on the parent plus the guaranteed split waves makes a multi-phase fight from a single summon command.

Frozen lava sculpture

/summon minecraft:magma_cube ~ ~ ~ {NoAI:1b,Invulnerable:1b,Silent:1b}

AI off halts the jump cycle, so the cube sits like a block of ember-lit terrain that players cannot break.

Strider-mounted cube

/summon minecraft:strider ~ ~ ~ {Passengers:[{id:"minecraft:magma_cube"}]}

The strider ferries its molten passenger across lava lakes, delivering a bouncing melee threat to shorelines players thought were safe.

The same build across versions

Rows appear only where the output actually changes -- copy the one that matches your world.

Java 1.16

/summon minecraft:magma_cube ~ ~ ~ {PersistenceRequired:1b,CustomName:'{"text":"Core of the Crucible"}',CustomNameVisible:1b,Health:80f,Attributes:[{Name:"generic.max_health",Base:80}]}

Java 1.21.4

/summon minecraft:magma_cube ~ ~ ~ {PersistenceRequired:1b,CustomName:'{"text":"Core of the Crucible"}',CustomNameVisible:1b,Health:80f,attributes:[{id:"minecraft:max_health",base:80}]}

Java 26.2

/summon minecraft:magma_cube ~ ~ ~ {PersistenceRequired:1b,CustomName:"Core of the Crucible",CustomNameVisible:1b,Health:80f,attributes:[{id:"minecraft:max_health",base:80}]}

Bedrock 26.x

/summon minecraft:magma_cube "Core of the Crucible" ~ ~ ~
  • Bedrock /summon does not accept Java entity NBT; omitted Health/Attributes, traits (persistent, custom_name_visible).

Worth knowing

  • A dying magma cube splits into two to four smaller ones, and those split again, so a single large cube can leave up to sixteen minimum-size cubes hopping around the arena.
  • Magma cubes take no fall damage at all, which distinguishes them from slimes and makes drop-shaft traps useless against them.
  • Natural armor points scale with size, so larger magma cubes shrug off a portion of every hit before health is touched.
  • Fire, lava, and magma blocks cannot hurt them; they bob along lava surfaces and often leap out at passing players.
  • Magma cream drops feed fire resistance brewing, so controlled magma cube encounters double as a renewable potion resource.

FAQ

What size is a magma cube summoned with the default command?

A bare /summon spawns the smallest size. Larger bodies come from the Size data value, which sits outside this preset's fields, so plan boss scale around health and splits instead.

Why did my magma cube boss turn into a crowd?

Every magma cube above the minimum size splits into 2-4 smaller cubes when it dies. Custom health applies only to the original, so the split waves arrive with stock stats.

Can magma cubes cross my lava moat?

Yes. Lava neither damages nor slows them, and they float along the surface. Use solid walls or height, not lava, to contain them.