How much does Imperial Vanguards cost in AoE3?

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

What does Imperial Vanguards do in AoE3?

Retainer: hit points +50%, damage +50%. The game says: "Imperial upgrade for Retainers."

Technology

Imperial Vanguards

Imperial Vanguards (tech ID ImperialVanguards) is a technology in AoE3: Definitive Edition 100.19.18309 costing 1,500 wood, 1,500 coin, 30 s to research at the Stable. Effect: Retainer: hit points +50%, damage +50%.

Quick answers (3)

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

Imperial upgrade for Retainers.

What it does

Retainer: hit points +50%, damage +50%

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

Researched at

Stable

Needs

Vanguards

Civilizations

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