Ring of Perpetuity is a consumable in Glacier's Laboratory, a mod for The Binding of Isaac.

Gains 3 random familiars' abilities for current floor.

These abilities can spawn extras pickup for Isaac to use.

If Isaac is in Boss Room and it is cleared, theses abilities immediately pay out twice before removing themselves.

Possible familiars:
Sack of Pennies
Bomb Bag
The Relic
Little C.H.A.D.
Mystery Sack
Lil Chest
Rune Bag
Sack of Sacks
Pirate Barrel

• Download Glacier's Laboratory from the Steam Workshop.