How much does Legendary Eagle Runner Knights cost in AoE3?

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

What does Legendary Eagle Runner Knights do in AoE3?

Eagle Runner Knight: hit points +50%, damage +50%. The game says: "Legendary upgrade for Eagle Runner Knights."

Technology

Legendary Eagle Runner Knights

Legendary Eagle Runner Knights (tech ID ImpLegendaryEagleKnights) is a technology in AoE3: Definitive Edition 100.19.18309 costing 1,500 wood, 1,500 coin, 30 s to research at the Nobles' Hut. Effect: Eagle Runner Knight: hit points +50%, damage +50%.

Quick answers (3)

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

Legendary upgrade for Eagle Runner Knights.

What it does

Eagle Runner Knight: hit points +50%, damage +50%

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

Researched at

Nobles' Hut

Needs

Champion Eagle Runner Knights

Civilizations

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