Dark Prince's Crown is an unlockable passive item in The Binding of Isaac, added in the Afterbirth+ DLC.

Increases Isaac's stats when at exactly 1 red heart.

The effect is lost for the rest of the room any time Isaac gains or loses red hearts.

The crown glows red while active, and black when inactive.

The following stat changes are applied when active:
• +2 fire rate.
• +1.5 range.
• +0.2 shot speed.

Has no effect on characters that cannot obtain red hearts or coin hearts.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.

Defeat Delirium as Azazel.

Dark Prince's Crown can be found in the following item pools:

The following tags are applied to this item:

Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.

Dark Prince's Crown

• While at 1 red heart, the crown activates and gives
• +2 fire rate
• +1.2 range
• +0.2 shot speed
• Abyss: x1 locust .75x Isaac's damage

• Check out the item description on the external Isaac Wiki.