Copper Bar is an unlockable passive item in Fiend Folio: RELOADED, a mod for The Binding of Isaac.

Grants enemies a chance to either spawn with x0.5 or x1.8 HP.

The base chance for an enemy to be affected by the item is 35%. If this procs, there is a 55% chance that they will gain x0.5 HP, and a 45% chance for x1.8 HP.

When an enemy is affected, they will shrink or grow by 15% accordingly, while also briefly getting a copper color.

Cannot affect bosses or mini-bosses.

Defeat ???, The Lamb, Mega Satan, Mother, The Beast, Delirium, or Ultra Greedier in Fiend Folio as Tainted Golem.

Copper Bar can be found in the following item pools:

The following tags are applied to this item:

• Check out the item description on the mod's external Wiki.
• Download Fiend Folio: RELOADED from the Steam Workshop.