Inaccurate?

Water to Poison

(Complete Arcane)

Transmutation
Level: Wu Jen 4 (Water),
Components: V, S, M,
Casting Time: 1 round
Range: Touch
Target: One ounce of water/level
Duration: Instantaneous
Saving Throw: None; see text
Spell Resistance: No

This spell transforms a volume of water into an equal volume of colorless, tasteless, ingested poison with a save DC equal to the spell's DC.
When ingested, the poison deals 1 point of Constitution damage followed by 1d8 points of Constitution damage 1 minute later.
A successful Will save can negate each instance of damage.
A single swallow (1 ounce) of poison is enough to affect a single creature; drinking more does not increase the effect.
Material Component: The fang of a poisonous snake and a bloodstone worth at least 50 gp.

Also appears in

  1. Oriental Adventures