How do I get Rusted Necklace in Core Keeper?

Rusted Necklace is a common necklace from the Sea biome. It can be obtained through: plunder.

What does Rusted Necklace do in Core Keeper?

Rusted Necklace provides: +37% mining damage.

Accessory

CommonNecklaceSeaLevel 10

Rusted Necklace is a common necklace accessory in Core Keeper, from the Sea biome. Grants 1 effect when equipped.

This pendant used to look pretty but now it's rusted to the core.

Data updated March 16, 2026RustedNecklace #8829

Lv.1020

Durability

+37% mining damage

Biome: Sea

2.4%

How do I get Rusted Necklace in Core Keeper?: Rusted Necklace is a common necklace from the Sea biome. It can be obtained through: plunder.
What does Rusted Necklace do in Core Keeper?: Rusted Necklace provides: +37% mining damage.