Echo Stone -Ⅳ

Estimated hourly yieldVaries by facility count

Recommended locationsAvailability varies by active scenario and region. Check the item tooltip, crafting menu, and scenario objectives for acquisition details.

Farming & Automation Setup

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Setup notes

Availability varies by active scenario and region. Check the item tooltip, crafting menu, and scenario objectives for acquisition details.

Uses

Fragments that fell from the body of Ancient Ones. The stone contains the remnants of their victims' life force, so mournful whispers always linger. When purified by Stardust Resonant Filter, these stones turn into Starchrom. Decays over time, disappearing 4 hours after being picked up.