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Statistics and Information
1 O 2 A 3 4/R 5/6
50 66.67 65 83.33 80 92.5 105
Location: Keep of the Lead Lord
Gungeon Proper
Black Powder Mine
Bullet Hell
Resourceful Rat's Lair
Introduced in: AGD Indicator.png
Ammonomicon Entry

Ammonomicon Chancebulon.png

Chancebulons are the berserker class of the Blobulonian imperial shock troops.

Known for erratic, violent attack patterns, those who chanced upon a Chancebulon were rarely heard from again.

Chancebulons are powerful Blobulonian enemies that appear in Enter the Gungeon. They are variants of the Cubulon.


Chancebulons slowly float towards the player. They occasionally pause to either fire bullets in a rotating dice formation, or fire the attacks of a random Blobulon enemy, consisting of the following:

  • 3-4 Blobulon-shaped bullets that ricochet off the room's walls, as seen in the battle against Blobulord.
  • As above, but the Blobulon bullets leave poison goop in their wake, seemingly emulating Poisbulons.
  • As above, but the Blobulon bullets leave trails of fire, seemingly emulating Leadbulons.
  • The diamond-shaped bullet spread of a Cubulon.
  • The expanding and retracting diamond-shaped bullet spread of a Cubulead.
  • The spray of spiraling bullets of a Poopulon.
  • The arrangement of bullets in the shape of a Blobulon, as used by Blobulord.
  • The ring, then spread shots of a Blizzbulon.
  • The random spray of bullets as seen when a Bloodbulon is killed.

On occasion, they will turn gold, at which point they will fire the Poisbulon, Leadbulon, and Blizzbulon attacks all at once. They also have a small chance to die instantly when they attempt to attack, spinning out and crying as they do. They are immune to fire and poison damage.


  • Chancebulons have a chance to replace powerful enemies in certain room layouts, usually Cubulons.
  • If a Chancebulon is stunned during their self-destruct move, this will cancel the self-destruction, and allow the Chancebulon to keep attacking once the stun wears off.
  • Chancebulons are icosahedral in shape, being based off D20 dice, a twenty-sided die commonly used in tabletop RPGs such as Dungeons and Dragons.
    • The wide variety of possible attacks that Chancebulons can use is likely in reference to D&D effects tables, where what effect occurs depends on the roll of a dice.
    • The dangerous golden attack is likely a reference to rolling a 20 on a twenty-sided die, the highest possible roll and traditionally considered a critical success in tabletop RPGs like D&D.
    • Likewise, their chance to self destruct is likely a reference to rolling a 1 on a twenty-sided die, the lowest possible roll and traditionally considered a critical failure.

See Also