Ist

On hell

Hell Countess, players 1.

Ist is on her Hell bonus table. About 1 in 290 Hell runs at players 1, on the bonus table. That figure is a community drop-calc estimate, not a promise. Stay at one player. Raising the count makes that special roll worse.

One cube step

2 Mal + Amethyst → Ist

The Cube tab prices a longer climb, gems included.

In a socket

Weapon

30% better chance of getting magic items

Armor, helm, shield

25% better chance of getting magic items

Shows up in

Infinity · Call to Arms · Chains of Honor · Exile

A short list, not every word that uses it.