Befoul Spring (from Wrath & Rage: A Guidebook to Orcs & Half-Orcs) Necromancy
Level:Adept 5, Blight 5 Components: V, S, M, XP Casting Time: 10 minutes Range: Touch Target, Effect, or Area: One spring, stream, or cistern
Saving Throw: None (see text) Spell Resistance: No
This spell permanently fouls any single source of fresh water no larger than a small stream or spring, or a small cistern. It has no effect on salt water, on larger sources of water, or on any other liquid of any sort.
Any creature that drinks from the fouled water source must immediately make a successful DC 16 Fortitude save or contract blinding sickness.
Befoul spring permanently ruins a healing spring, such as those created by the spell create healing spring.
Material component: A few ounces of bile taken from an otyugh, which is dipped into the water to be ruined.