(Original redstone golem design by srfhelps)

The Unbreakable One is the ancient variant of the Redstone Golem encountered during Ancient Hunts with the minimum offering of . It is the only mini-boss/boss mob that has an ancient mob variant. It is the only mini-boss that does not appear in any of the DLC locations. The ancient resides within a Redstone Mines-themed arena and possesses, at minimum, the following enchantments:

Swirling Electrified Committed Frenzied 8 Enchanted Royal Guards act as the ancient's minions, possessing the following enchantments:

Regeneration Upon defeating the Unbreakable One, a gilded variant of the Great Hammer, Claymore, Power Bow, Plate Armor or any of their uniques will drop as a reward.

When playing a 2-player server, if both players press the button, 2 Unbreakable Ones will spawn. This makes it harder to beat than the Mooshroom Monstrosity due to both the golems' enchantments.

More facts here: https://minecraft.fandom.com/wiki/Minecraft_Dungeons:Redstone_Golem