Here’s what you’ll need to summon the boss:

Normal Difficulty:

x9 Distilled Fear
Tormented Difficulty:

x1 Stygian Stone
x27 Distilled Fear
Distilled Fear can be obtained from various sources, including slain Elites, Treasure Goblins, Helltide monsters, and Whisper Caches. Stygian Stones, which are required for the Tormented version, are rarer and can be earned from Pit Runs, the Infernal Hordes Resource Chest, and through the Season Journey.

Tormented Version of Beast in the Ice
The Tormented version of this boss is significantly tougher. The boss will be at Level 200, with greatly enhanced damage. As such, most builds won’t be able to face tank its mechanics, so it’s recommended that you prepare carefully. However, the loot rewards are five times higher, and if you can defeat it, you'll gain access to high-value loot like Mythic Uniques.
Beast In The Ice Boss Mechanics
Beast in the Ice is a massive demon wielding an icy blade that deals with Cold Damage. Before engaging, make sure to maximize your Cold Resistance and Armor. Here’s how the battle plays out:

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