• Torment Difficulty:
Mythic Uniques drop in Torment difficulty, with higher difficulties improving your overall chances.
• Farm endgame bosse:
Ring of Starless Skies can be target-farmed by defeating boss Duriel and Andariel.
• World Drops:
Ring of Starless Skies can also drop from enemies, chests, World Events, Nightmare Dungeons, and other high-level loot sources, but the chance is very low.
• Helltide Chests:
You can farm Helltide events and open chests for additional chances at Mythic Unique item drops.
• Purveyor of Curiosity:
You can gamble for rings with Murmuring Obols, but this is not a reliable way to target-farm Ring of Starless Skies.
• Crafting:
Ring of Starless Skies can be crafted as a specific Mythic Unique using Resplendent Sparks and the required runes.