Amulet versus poison

Effects
An amulet version poison grants poison resistance.

Identification
If you notice yourself surviving poison attacks unscathed, you know you must have a source of poison resistance. However, deliberately poisoning yourself is not a good way to identify this amulet.

Strategy
This is an excellent amulet to discover early in the game, if you can identify it. It's quite common, and for this reason, you should wear uncursed amulets in the hope that a randomly found one might be versus poison.