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Queen's DomainField guide

Weapons

Pierce/Slash

Rusted Leaf Blade

Main weapon: Leaf blade, Pierce/Slash damage. Evolves at level 10 into Puwema's Leaf Blade.

Where: Jade Treasure Room (Jade Key Stone): doorway right of the Wing Altar, down the large stairwell, entrance built into the staircase wall. Area: Deimpo Mausoleum.

Use it for

Bosses weak to Slash or Pierce: The Necronomicon (one flesh form).

Upgrade path

  1. Rusted Leaf Blade

After the evolution, Umbada sells Gilded Leaf Blade for 10 Ancient Coins. It counts as a separate weapon for Extensive Armaments.

Main weapons at level 10 can also be upgraded at Ossi's terminal with Data Modules; see weapon upgrades.

Enemies weak to Slash or Pierce in Deimpo Mausoleum

Related weapons

Same type (Leaf blade): Gilded Leaf Blade.

Also found in Deimpo Mausoleum: Blood Moon, Grave Reaper, Melting Moon, Rusted Greataxe, Okbujo's Judgement, Throwing Axe.

Guides that mention Rusted Leaf Blade

Sources

Checked against version 1.01.06 on November 12, 2026.

Queen's Domain field guideCovers version 1.0 on PC, PS5, Xbox Series and Switch 2.Privacy