How much does Legendary Mantlets cost in AoE3?

1,500 wood, 1,500 coin, 30 seconds (AoE3: Definitive Edition 100.19.18309).

What does Legendary Mantlets do in AoE3?

Elite Mantlet: hit points +50%, damage +50%. The game says: "Legendary upgrade for Mantlets."

Technology

Legendary Mantlets

Legendary Mantlets (tech ID ImpLegendaryMantlets) is a technology in AoE3: Definitive Edition 100.19.18309 costing 1,500 wood, 1,500 coin, 30 s to research at the Artillery Foundry. Effect: Elite Mantlet: hit points +50%, damage +50%.

Quick answers (3)

How much does Legendary Mantlets cost in AoE3?: 1,500 wood, 1,500 coin, 30 seconds (AoE3: Definitive Edition 100.19.18309).
What does Legendary Mantlets do in AoE3?: Elite Mantlet: hit points +50%, damage +50%. The game says: "Legendary upgrade for Mantlets."
What is the tech ID of Legendary Mantlets?: ImpLegendaryMantlets.

Legendary upgrade for Mantlets.

What it does

Elite Mantlet: hit points +50%, damage +50%

Cost: 1,5001,500
Research time: 30 s
Game ID: ImpLegendaryMantlets

Researched at

Artillery Foundry

Needs

Champion Mantlets

Civilizations

Source: techtreey.xml and the Home City files, AoE3: DE 100.19.18309 (build 25040513).