• Upon entering a room, there is a high chance that an enemy will become charmed for the duration of the room. After clearing the room, the charmed enemy (if still alive) is then automatically killed without dropping any money.
• Grants two heart containers.
• Increases fire rate by 15%.
• Increases curse by 2.

• Hellhole - If the player has [Singularity] , it spawns a hell portal that sucks enemies in and deals high damage.
• Just Like The Real Thing - If the player has [Shotgrub] , it fires a wide spread of five bullets, which bounce back and split into waving bullets after hitting a wall, similar to the [Shotgrub] enemy 's attack.
• Kaliber's Grip - If the player has [Abyssal Tentacle] , the [Abyssal Tentacle] will become gray and yellow, dealing more damage, as well as being able to latch onto two enemies.
• Kaliber k'pow uboom k'bhang - If the player also has [High Kaliber] , the soul spawned by hitting an enemy with [High Kaliber] initially moves towards the player instead of away.
• Kalibreath - If the player has [Dragunfire] , it and its projectiles turn grey, it gains an increased rate of fire, and it gains notable knockback on enemies, but loses the piercing attribute.
• Pitch Perfect - If the player has [Pitchfork] , it fires green fireballs, setting enemies permanently aflame.
• Super Space Turtle DX - If the player has [Super Space Turtle] , [Super Space Turtle] becomes jammed, firing small rockets with higher damage.
• The charming effect only occurs upon entering combat; enemies that spawn in waves will not be charmed. Enemies encountered when using the [Lament Configurum] , a Challenge Shrine , or the [Drill] can be charmed by this item on the first wave of any encounter as normal.
• Upon completing a room with a charmed enemy, tentacles will appear under the enemy and drag it into the floor. The charmed enemy will have a stunned effect animation while being killed by the tentacles.
• The tentacles deliver some set amount of damage instead of outright killing the charmed enemy. Enemies with high health, such as Jammed enemies, will survive the tentacles and continue to move and attack, even though the room is considered cleared. This is fixed when the tentacles kill a different charmed enemy.
• The charmed enemy will skip their usual 'on-death' effect, such as exploding, dropping pools of goop or spawning more enemies when killed by the tentacles.
• Yellow Chamber will not provide any armor to The Robot .
• Yellow Chamber will not charm or kill Red-Caped Bullet Kin .
• Occasionally, if a Spent is charmed and the room is cleared, the Spent will be killed by the tentacles and the doors will open despite the next wave of Spent spawning.
• Projectiles from charmed enemies still do damage to the player. Charmed enemies are still immune to normal enemy bullets.
• Some companions, like the [Owl] , [Baby Good Shelleton] and [R2G2] will still attack charmed enemies on sight.
• If two Yellow Chambers are somehow obtained it can charm a second enemy, however in some situations only one will be killed by tentacles when the room is cleared.
• Money dropped by charmed enemies killed by the player will be collected as if they weren't charmed.
• If the charmed enemy has a balloon attached to is as a part of Ox's arm quest and the tentacles kill it the balloon will disappear alongside making it not possible to continue the quest on that run.

Kill 10 Confirmed , or teleport to the eyeball room with [Teleporter Prototype] .