Located in the Grotto of Exile, Icethrone Hollow is one of the two lvl 75 dungeons on StoneBreakers2.

Level range: 75 - 90

To enter the dungeon,  Dragon god amulet is required.

7x  Water crystals are required for crafting the key. You can craft it and the dungeon entrance.

This dunegon has multiple waves:

Wave 1: Defeat all mobs

Wave 2: Defeat 2x Yonghan Generals

Wave 3: Destroy the 3x Metin of Bloom (lv 75)

Wave 4: Defeat all mobs and the Yonghan General

Wave 5: Defeat all mobs

Wave 6: Defeat all mobs and 2x Yonghan Generals

Wave 7: Defeat 3x Mighty Ice Witch

Wave 8: Destroy the Metin of Bloom (lv 75)

Final Wave: Defeat Beran-Setaou

Drop