Korlic's Pain

Korlic's Pain is one of the five summon materials that open the Colossal Summit, where you fight the Colossal Ancients. In Hell, the act bosses drop summon materials, and these bosses drop Korlic's Pain as theirs:

• Duriel: 90% of the time
• Andariel: 5% of the time
• Mephisto: 5% of the time

Transmute one of each in the Horadric Cube in Harrogath, in Hell, to open the portal:

• Talic's Anguish
• Korlic's Pain
• Madawc's Ire
• Bul-Kathos' Nightmare
• Worusk's End