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The Hollow is the 4th chamber of The Gungeon. It resembles a large, icy ossuary and introduces various undead enemies. In addition, it occasionally features natural floor ice that proves a slippery surface for players but not enemies.

If you enter the Hollow with a Master Round in your inventory, a special room with the Sell Creep will always spawn. If the player gives the Sell Creep a Master Round and two other items, the player will gain access to the R&G Dept.

Bosses[ | ]

High Priest Kill Pillars Wallmonger
High Priest Kill Pillars Wallmonger

Special Bosses[ | ]

Door Lord
Door Lord

Enemies[ | ]

Icon Name Description
Bullet Kin Bullet Kin Slowly walks towards the player, firing bullets.
Bandana Bullet Kin Bandana Bullet Kin Slowly walks towards the player, rapidly firing bullets.
Veteran Bullet Kin Veteran Bullet Kin Slowly walks towards the player, firing bullets and predicting the player's movements.
Cardinal Cardinal Slowly walks towards the player, firing bullets. Occasionally fires a cluster of 5 bullets that homes in on the player.
Red Shotgun Kin Red Shotgun Kin Slowly walks towards the player, occasionally firing a tight spread of 5 bullets. Has a chance to fire 6 bullets in all directions upon death.
Blue Shotgun Kin Blue Shotgun Kin Slowly walks towards the player, occasionally firing a wide spread of 5 bullets quickly followed by a wide spread of 4 bullets. Has a chance to fire 6 bullets in all directions upon death.
Veteran Shotgun Kin Veteran Shotgun Kin Slowly walks towards the player, occasionally firing a V-shaped spread of 5 bullets and predicting the player's movements. Fires many bullets in all directions upon death.
Keybullet Kin Keybullet Kin Runs away from the player and disappears if not killed. Turns into a key upon death.
Chance Kin Chance Kin Runs away from the player and disappears if not killed. Turns into a !-cube which drops a random pickup upon death.
Sniper Shell Sniper Shell Periodically aims at the player with a red laser, then fires a single high-speed bullet.
Professional Professional Periodically aims at the player with a green laser, then fires a single high-speed bullet that explodes into bullets in all directions upon impact.
Gummy Gummy Slowly walks towards the player, rapidly firing bullets. Occasionally summons a jammed Spent that periodically releases bullets in all directions.
Skullet Skullet Slowly walks towards the player, occasionally firing two spreads of triangular bullets.
Skullmet Skullmet Slowly walks towards the player, occasionally firing two spreads of triangular bullets.
Spent Spent Walks towards the player and attempts to deal contact damage.
Hollowpoint Hollowpoint Floats towards the player, rapidly firing bullets. Periodically disappears and reappears elsewhere in the room.
King Bullat King Bullat Periodically fires bouncing bullets in all directions. Spawns several Bullats and Shotgats upon death.
Pinhead Pinhead Walks towards the player and explodes upon death. If the player gets too close, it will leap towards the player and explode.
Nitra Nitra Walks towards the player and creates a line of explosions upon death. If the player gets too close, it will detonate itself.
Blobulon Blobulon Moves towards the player and attempts to deal contact damage. Splits into two Blobuloids upon death.
Blobuloid Blobuloid Moves towards the player and attempts to deal contact damage. Splits into two Blobulins upon death.
Blobulin Blobulin Quickly moves towards the player and attempts to deal contact damage.
Poisbulon Poisbulon Moves towards the player, leaving a trail of poison creep. Turns into one Poisbuloid upon death.
Poisbuloid Poisbuloid Moves towards the player, leaving a trail of poison creep. Splits into two Poisbulins upon death.
Poisbulin Poisbulin Quickly moves towards the player, leaving a trail of poison creep.
Blizzbulon Blizzbulon Fires triangular bullets in all directions, followed by several spreads of 3 triangular bullets towards the player.
Bloodbulon Bloodbulon Moves towards the player and attempts to deal contact damage. Becomes larger and slower as it takes damage. Releases many bullets in all directions upon death.
Skusket Skusket Has two lines of bullets orbiting it. Slowly floats towards the player, firing skulls that home in on the player and split into 6 bullets upon being destroyed.
Cubulon Cubulon Frequently fires bullets in all directions in a diamond shape.
Chancebulon Chancebulon Fires random attacks from other Blobulon enemies, along with groups of bullets that look like dice. Has a chance to fire multiple attacks at the same time, and has a chance to die instead of attacking.
Apprentice Gunjurer Apprentice Gunjurer Fires bullets in a variety of rotating shapes, such as a square, circle, or X. Occasionally disappears and reappears elsewhere in the room.
Gunjurer Gunjurer Summons 6 bullets, during which time any bullets fired at it will be absorbed. The 6 bullets along with any absorbed bullets are then fired at the player. Occasionally disappears and reappears elsewhere in the room.
High Gunjurer High Gunjurer Fires large rings of bullets at the player. Occasionally disappears and reappears elsewhere in the room.
Lore Gunjurer Lore Gunjurer Summons one of 3 bullet familiars, each with distinct behaviors.

Warrior: The bullet will home in on the player until it vanishes.

Rogue: The bullet will home in on the player and then teleport behind them in an attempt to catch them off-guard.

Mage: The bullet follows the player closely and will shoot smaller bullets at them.

Gunsinger Gunsinger Buffs an enemy in the room, increasing their health and speed. They will cancel their spell and run away if the player is too close or they take too much damage.
Aged Gunsinger Aged Gunsinger Buffs all enemies in the room, increasing their health and speed. They will cancel their spell and run away if the player is too close or they take too much damage.
Ammomancer Ammomancer Attempts to summon Shelletons. They will cancel their summoning ritual and run away if the player is too close or they take too much damage.
Wizbang Wizbang Teleports around the room, occasionally creating a projection of itself near the player that explodes into bullets in all directions.
Mimic Mimic Rapidly fires bullets towards the player. Drops items and/or pickups upon death.
Bullat Bullat Launches itself at the player, dying in the process.
Shotgat Shotgat Launches two projectiles in a V shape at the player, dying in the process.
Grenat Grenat Launches an exploding projectile at the player, dying in the process.
Spirat Spirat Launches itself at the player, dying in the process. Predicts the player's movements, and can reposition itself several times before hitting walls.
Gun Nut Gun Nut Periodically strikes the ground with its sword, releasing a wide 90 degree arc of bullets towards the player. Can only aim in the eight compass directions.
Mountain Cube Mountain Cube Slides towards the player if they line up with it horizontally or vertically. Dies upon completing the room.
Gripmaster Gripmaster Hovers over the player and attempts to grab them. If the player is successfully grabbed, it will shoot the player to a previously cleared room, which will be reset and have all enemies respawned. Automatically dies if all other enemies in the room are killed.
Misfire Beast Misfire Beast Camouflages itself and creates projections that attack the player with bullet whips.
Phaser Spider Phaser Spider Fires large web-shaped sprays of bullets at the player that leave slowing cobwebs on the floor. Frequently burrows into the ground and reappears elsewhere in the room.
Killithid Killithid Summons portals around the room that fire bullets towards the player. Occasionally splits into three copies of itself, two of which are illusions.
Shelleton Shelleton Slowly walks towards the player, frequently firing two wide bursts of bullets at the player. Occasionally fires a laser at the player. Collapses upon death, and will revive if not destroyed after a short period of time.
Agonizer Agonizer Periodically spews bullets in all directions.
Gunreaper Gunreaper Swings its scythe, sending a homing arc of bullets towards the player. Cannot be killed, and disappears upon completing the room.

Notes[ | ]

  • Before being given to the Blacksmith in the Forge, there is always a large room with the Planar Lead on the other side and a seemingly impassable pit in-between. The player must either take advantage of visual cues hinting at the shape of the bridge such as shells discarded behind the Gungeoneer when shooting any of the three main characters' (besides The Pilot's) starters or the liquid pools left behind when using guns such as Mega Douser.
  • A secret room can be found in the Hollow containing an old man who will give you a gun.
    • Current given Betrayer's Shield, not sure if other guns are given.
    • Gives dialogue when spoken to:
    • "Safety in numbers", who needs it!
    • I've never known human companionship so I always feel exhilarating fear!
  • The Boss room is usually located either southwest or southeast, (bottom left or right respectively) as the boss is usually the Wallmonger. If not, it is most likely north or west. (top or left respectively)

Trivia[ | ]

  • According to the Hollowpoint Ammonomicon Entry, the Hollow is where slain Bullet Kin are sent to, either to rest or be used in some form of unholy Necromancy/Ammomancy. Since skeletal remains of non-bullet based creatures, mostly humanoid, are found in the Hollow, it is possible this does not apply only to Bullet Kin.

See also[ | ]

The Gungeon
The Breach Keep of the Lead Lord Gungeon Proper Black Powder Mine Hollow Forge
Secret Chambers
Oubliette Abbey of the True Gun Resourceful Rat's Lair R&G Dept. Bullet Hell
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