Binding of Isaac: Rebirth Wiki

Added in Repentance

Saturnus is a passive item added in The Binding of Isaac: Repentance.


  • A circle surrounds Isaac. When entering a room, the circle is filled with 7 orbiting tears that copy Isaac's tear properties.
    • The tears will deal 1.5x Isaac's damage +5 flat damage.
    • After 13 seconds, the tears will automatically fall to the ground.
    • Orbiting tears are spectral, although they don't visually appear to be.
    • The room does not have to be a new room to renew the 7 orbiting tears.
  • Enemy tears have a chance to be caught in the orbit, making them able to damage enemies.
    • Enemy tears caught disappear after a short time or when you leave the current room.


  • Any new effect on tears provided by an item or a trinket won't affect Ring tears until getting to a new room.
    • This is the same for lost effects (e.g. by dropping a trinket).
  • When using a teleporter in Mausoleum Mausoleum/Gehenna Gehenna, the tears won't teleport and instead travel back towards the ring.


  • A Lump of Coal A Lump of Coal: The tears grow in size and damage as they orbit around Isaac.
  • Angelic Prism Angelic Prism: Prism and tears share the same orbit, making them easy to split.
  • Blood Clot Blood Clot/Chemical Peel Chemical Peel: Orbiting tears will be the same than the last fired tear before leaving the previous room.
    • Having an item that randomly applies the bonus (Mom's Knife Mom's Knife, Brimstone Brimstone, Stapler Stapler, etc), will give each tear a 50% chance to have the bonus.
  • Godhead Godhead: The orbiting tears have Godhead's damaging aura without the homing effect.
  • Homing tears: Tears will break orbit to home into nearby enemies. With piercing, tears will return to the orbit after dealing damage.
  • Kidney Stone Kidney Stone: It's possible for one of the tears surrounding Isaac to be the stone.
  • Multidimensional Baby Multidimensional Baby: Because both the orbiting tears and multidimensional baby start on top of Isaac when entering a room, all of the tears are immediately doubled.
  • The Parasite The Parasite + Any form of piercing: The tears continuously create two smaller tears as they hit enemies, all of which in turn orbit and pierce enemies as well, resulting in far higher damage.


  • Brimstone Brimstone: No effect.
  • Crown of Light Crown of Light: Functions as intended, but the tears surrounding Isaac will appear normal.
  • Dr. Fetus Dr. Fetus: No effect; tears surrounding Isaac will be regular tears.
  • Explosivo Explosivo: Orbiting tears that stick to an enemy but don't detonate will return to the ring if the enemy cannot be stuck to anymore.
  • Hook Worm Hook Worm: No effect upon ring's tear.
  • Ipecac Ipecac: Tears surrounding Isaac will not cause self damage if at maximum distance until high tear size. If Isaac enters a room and his Saturnus tears have not spread out, they could hit an entity and cause self damage.
  • Mom's Knife Mom's Knife: No effect; tears surrounding Isaac will be regular tears.
  • Proptosis Proptosis: Causes the tears to immediately fall, making Saturnus almost irrelevant.
  • Ring Worm Ring Worm: Causes the ring tears to move with a very anarchistic movement in and out of the circle.
  • Sulfuric Acid Sulfuric Acid / Terra Terra: As the orbiting tears can destroy rocks, Isaac can unintentionally detonate Bomb Rocks, causing self damage.
  • Tractor Beam Tractor Beam: No effect on surrounding tears.



PC Hard mode only APVS DO4L (Planetarium adjacent to spawn)


Bug Bug! Using Glowing Hour Glass Glowing Hour Glass will the trigger effect of Saturnus again when returning to the room that was teleported out of, doubling the tears in that room.
Bug Bug! In the first room of a floor, orbiting tears will be packed in two groups instead of having an equivalent distance between all of them. They will turn back to normal when going to another room. This also happen in Mom's room.