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Arsenal Expansion Key

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Item Icon Arsenal Expansion Key.png

An item used to development recipes presets.

  • Not to be confused with other keys.

Description

装備開発の資源配分を記録可能な枠を1つ拡張できるキー。

A key that can expand by 1 the slot for recording resource allocation for equipment development.

How To Obtain

Shop

Purchasable in the Shop:

  • 900 DMM points for 2 (and some other consumables).

Uses

Development Saving Opening

Dock Opening Keys are needed to:

Saving Presets Evolution
Decelopment Notes Update
2 Base 2026/01/28
+1 x4 (6) Shop purchases
+2 (8) cap update 2026/04/07
Curent Cap
8 4 keys

See Also