How much does The Elder cost in AoE3?

800 food, 80 seconds (AoE3: Definitive Edition 100.19.18309).

What does The Elder do in AoE3?

Advances to the Colonial Age; War Hut: hit points +10%, damage +10%; Removes: The Elder; Removes: The Elder. The game says: "+10% War Hut & Nobles' Hut attack and hitpoints and 1 War Hut Travois."

Age-up

The Elder

The Elder (tech ID TribalAztecShaman2) is an age-up in AoE3: Definitive Edition 100.19.18309 costing 800 food, 80 s to research at the Town Center. Effect: Advances to the Colonial Age; War Hut: hit points +10%, damage +10%; Removes: The Elder; Removes: The Elder.

Quick answers (3)

How much does The Elder cost in AoE3?: 800 food, 80 seconds (AoE3: Definitive Edition 100.19.18309).
What does The Elder do in AoE3?: Advances to the Colonial Age; War Hut: hit points +10%, damage +10%; Removes: The Elder; Removes: The Elder. The game says: "+10% War Hut & Nobles' Hut attack and hitpoints and 1 War Hut Travois."
What is the tech ID of The Elder?: TribalAztecShaman2.

+10% War Hut & Nobles' Hut attack and hitpoints and 1 War Hut Travois.

What it does

Advances to the Colonial Age
War Hut: hit points +10%, damage +10%
Removes: The Elder
Removes: The Elder
Removes: The Elder
Nobles' Hut: damage +10%, hit points +10%
Ships 1 War Hut Travois(unit)

What it hands over

1 × War Hut Travoisno train cost

Total ≈ 0 resources — units at their train cost, crates and animals at what they hold.

Cost: 800
Research time: 80 s
Game ID: TribalAztecShaman2

Researched at

Town Center

Civilizations

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