Trebuchet Blueprint (blue)

This item no longer functions as siege equipment. It may be double-clicked to turn it into a new siege or exchanged in bulk at siege merchants throughout the Mists. — In-game description

Trebuchet Blueprint (blue)

Item type

Blueprint

Rarity

BBasic

Game link

API

21160

Gallery
Click to enlarge.

“

This item no longer functions as siege equipment. It may be double-clicked to turn it into a new siege or exchanged in bulk at siege merchants throughout the Mists.

— In-game description

Trebuchet Blueprint was originally used to construct trebuchet build sites before the simplified system replaced it by Trebuchet Blueprint.

Acquisition

• Chance from World versus World rank rewards

Sold by

Vendor	Area	Zone	Cost
Caster	Molevekian Delve	Eternal Battlegrounds	24
Caster	Molevekian Delve	Eternal Battlegrounds	24
Ogre Hunter	Orgath Uplands	Eternal Battlegrounds	24
Ogre Hunter	Orgath Uplands	Eternal Battlegrounds	24
Tlamatini	Darkrait Inlet	Eternal Battlegrounds	24
Tlamatini	Darkrait Inlet	Eternal Battlegrounds	24
Laurel Merchant (item currently unavailable)	The Great Lodge The Upper City Hall of Memories Fort Marriner Memorial Quadrant Creator's Commons Garden of Dusk Snowblind Peaks Mistlock Observatory Commodore's Quarter Fort Marriner	Hoelbrak Divinity's Reach Heart of the Mists Lion's Arch Black Citadel Rata Sum The Grove Gendarran Fields Fractals of the Mists Lion's Arch Memory of Old Lion's Arch	2
Permanent Portable Provisioner (item currently unavailable)			24
Permanent Portable Provisioner (item currently unavailable)			24
Siege Master (item currently unavailable)		Eternal Battlegrounds Blue Alpine Borderlands Green Alpine Borderlands Obsidian Sanctum (zone) Edge of the Mists Red Desert Borderlands Armistice Bastion	24
Siege Master (item currently unavailable)		Eternal Battlegrounds Blue Alpine Borderlands Green Alpine Borderlands Obsidian Sanctum (zone) Edge of the Mists Red Desert Borderlands Armistice Bastion	24

Contained in

•   Achievement Chest (chance)
•   Box of WvW Supplies (chance)
•   Heavy Achievement Chest (chance)
•   Large Achievement Chest (chance)
•   Massive Achievement Chest (chance)
•   Siege Blueprint Case (chance)

Used in

Mystic Forge

Item	Rarity	Ingredients
Superior Trebuchet Blueprint	BBasic	10 Mithril Ore 10 Elder Wood Log 1 Siege Novice's Guide 2 Trebuchet Blueprint (blue)
Superior Trebuchet Blueprint (x10)	BBasic	100 Mithril Ore 100 Elder Wood Log 1 Siege Master's Guide 20 Trebuchet Blueprint (blue)
Superior Trebuchet Blueprint (x25)	BBasic	250 Mithril Ore 250 Elder Wood Log 1 Siege Grandmaster's Guide 50 Trebuchet Blueprint (blue)

Guild upgrades

Upgrade	Guild Level	Aetherium	Favor	Materials
Scribing: Guild Trebuchet	30	5,000	500	20 Sheet of Smooth Paper 50 Cured Thick Leather Square 75 Trebuchet Blueprint (blue) 100 Elder Wood Plank 100 Mithril Ingot 5 Onyx Lodestone

Currency for

Item	Level	Vendor	Area	Zone	Cost
Trebuchet Blueprint		Dugan	- - - - -	Armistice Bastion Blue Alpine Borderlands Eternal Battlegrounds Green Alpine Borderlands Red Desert Borderlands	1  + 10  + 50

Notes

• This item was originally called "Trebuchet Blueprints" until the blueprint system was simplified as part of the November 19, 2024 update.

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Siege weapons and blueprints

Offensive

Arrow Cart Blueprint • Ballista Blueprint • Catapult Blueprint • Flame Ram Blueprint • Shield Generator Blueprint • Siege Golem Blueprint • Trebuchet Blueprint

Defensive

Burning Oil • Cannon • Mortar