How much does Heavy Riverboats cost in AoE3?

400 wood, 400 coin, 30 seconds (AoE3: Definitive Edition 100.19.18309).

What does Heavy Riverboats do in AoE3?

Warship: hit points +25%. The game says: "Warship hitpoints increased."

Technology

Heavy Riverboats

Heavy Riverboats (tech ID DERiverboatHitpoints) is a technology in AoE3: Definitive Edition 100.19.18309 costing 400 wood, 400 coin, 30 s to research at the Port. Effect: Warship: hit points +25%.

Quick answers (3)

How much does Heavy Riverboats cost in AoE3?: 400 wood, 400 coin, 30 seconds (AoE3: Definitive Edition 100.19.18309).
What does Heavy Riverboats do in AoE3?: Warship: hit points +25%. The game says: "Warship hitpoints increased."
What is the tech ID of Heavy Riverboats?: DERiverboatHitpoints.

Warship hitpoints increased.

What it does

Warship: hit points +25%

Cost: 400400
Research time: 30 s
Game ID: DERiverboatHitpoints

Researched at

Port

Civilizations

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