Weapon upgrade

Cerulean Cloud Sword 'Arges'

An official weapon upgrade record published by TEAM HORAY. Its source and patch version are shown on the record; branch ownership and live-game behavior are kept separate when they need another check.

Source-backedbladelightningstorm cloud

Index status: Research record

Recorded effect evidence

Weapon Attack damage -20% and scales with Lightning Damage. It replaces Sheath with Cloud Slash, which consumes Residual Lightning for a wide MP-costing slash.

This visual lookup record is excluded from search indexing until it has a complete, current effect description.

Official patch record

TEAM HORAY · 1.0.31 Update · 2026-09-10

Version 1.0.31 added this Lightning-focused Blade upgrade, including the Residual Lightning and Cloud Slash actions.

This is a historical change recorded in the linked official update, not a claim that every value still matches the live tooltip.

Record coverage

See exactly which parts of this record are confirmed and which still need a live-game or localization check.

Name, icon and source

Confirmed

Effect evidence

Patch detail recorded

Localized item name

Confirmed

Search indexing

Research record

Decision links

Where this record connects

Follow this item into weapon routes and clearly labelled Build research. These links show research context, not a best-in-slot claim.

Weapon route

Blade / Katana

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