Help: Detect Poison Usage sling 'detect poison' <target | food | drink> Available Curist level 3; Fanatic level 3; Slinger level 10; Samurai level 10; Knight level 10; Ranger level 12. Detect Poison checks a target, food, or drink for poison. Slingers learn it as practical field magic: not flashy, but it keeps bad decisions from becoming corpses. See Also: poison, remove poison