Abaddon

Abaddon is an unlockable passive item.

Effects

 * +1.5 damage.
 * +0.2 speed and maximum speed (may never exceed 2.0).
 * Grants 6 Black Hearts.
 * Removes all Red Heart containers.
 * Converts all Red Heart containers into Black Hearts, and adds 2 additional Black Hearts.
 * Will not remove Bone Hearts, but will empty them.
 * Adds a chance to shoot fear tears.

Synergies

 * Black Feather: Grants a damage boost.

Trivia

 * In the Hebrew Bible, the name Abaddon is used as a reference to a bottomless pit, often appearing alongside the place of the dead (which is known as Sheol), meaning the land of the dead. The actual Hebrew word Abaddon (אבדון - pronounced avadon) means "doom".
 * Abaddon is the Hebrew equivalent of Apollyon.
 * In the New Testament Book of Revelation, an angel called Abaddon is written as the king of an army of locusts; his name is first transcribed in Greek (Revelation 9:11 – "whose name in Hebrew Abaddon").
 * Abaddon also shares its name with a level from Edmund's previous game Super Meat Boy.
 * resembles this item's costume, but its effects are closer to.

Seeds
SYE1 41CK (Red Chest on first floor teleports to Devil Room) S97N 07DH (Curse Room adjacent to spawn teleports to Devil Room, also contains Lil Brimstone) QJGK ZRFA (Red Chest in Curse Room adjacent to spawn teleports to Devil Room)