Retrograde Jupiter is a passive item in Heaven's Call, a mod for The Binding of Isaac.

Isaac will create an electrified laser as he walks. If it loops in a circle, it will create a short circuit and electrocute entities within it.

The effects of short-circuiting entities are the following:
• Machines like will activate for free, but they have a 25% chance of exploding.
• Shopkeepers will be revived as friendly Keepers or Hanger enemies.
• Batteries will be upgraded in the following succession, with the following chances: 80% → 40% → 20% → 10% → any of ; otherwise they explode.
• Enemies and bosses will be struck by five lightning bolts, similar to the light beams of Crack the Sky.

Retrograde Jupiter can be found in the following item pools:

The following tags are applied to this item:

• Download Heaven's Call from the Steam Workshop.