🗝️ Echoing Spire Tool

Echoing Spire Key Calculator

Each key costs progressively more Soul Cards, Resonance Cores, and gold. Find when to stop before the cost explodes.

Keys to Craft: 3

Keys Already Crafted This Week: 0

Total Soul Cards

needed for 3 keys

Resonance Cores

consumed

Gold Cost

300k

300,000 Gold

Projected Umbral Fragment Yield (Floor 100)

~3000 fragments

Grimoire Progress

100%

500 frags = 1 Grimoire

Per-Key Cost Breakdown

Key #1

7 cards

1 core

50k

Key #2

14 cards

1 core

100k

Key #3

21 cards

1 core

150k

Recommendation

High value: the first 3 keys this week cost very few materials — strongly recommended to craft them all.

Related Resources

Soul Cards

Builds

Bestiary

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