Improvement Material

Improvement Materials (改修資材, IM, screws) are items required for equipment improvement.

• They are capped at 3000.

Description

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How to Obtain

Purchasable in the Shop:

• 700 DMM points for 7.

They are mainly obtained via:

• Quests
• Expeditions

Due to the extent of this obtainability, please see Resource Farming.

They are additionaly obtanable via:

• Medals (x4)
• First Class Medals (x10)
• Present Box (x1)
• Hishimochi (x1)
• Xmas Select Gift Box

Events

Events and limited quests can reward screws.

• Due to the uncertainty of such rewards, please check the current event/quest page for up-to-date details.

Uses

DevMat are consumed for the folowing:

• Equipment Improvements
• Ship Remodeling
• Quests

See Also

• Inventory
• Help:Resource Farming