Reservoir is a transformation in Benighted Soul, a mod for The Binding of Isaac.
Includes items about diseases.
(Detail in Reservoir)
When done, + 18 Rotten Hearts.
When losing Rotten Hearts, heals half a heart; With Hoarding, heals half a heart more.
Friendly Rotten Gaper.
Turns non-boss enemies touched into Rotten Gaper.