GUIDE · WESTERN EUROPE
Celts Technology Tree
Building-by-building reference for the Celts technology tree. It lists 27 units, technologies, or upgrades explicitly marked unavailable, alongside the civilization’s signature units and unique technologies.

Overview
Building-by-building reference for the Celts technology tree. It lists 27 units, technologies, or upgrades explicitly marked unavailable, alongside the civilization’s signature units and unique technologies.
How to use this reference
Building-by-building reference for the Celts technology tree. It lists 27 units, technologies, or upgrades explicitly marked unavailable, alongside the civilization’s signature units and unique technologies. Civilization: Celts. Notable unavailable options recorded in the tree include Barracks: Squires, Archery Range: Cavalry Archer, Archery Range: Arbalester, Archery Range: Hand Cannoneer, Archery Range: Thumb Ring, Archery Range: Parthian Tactics, Stable: Camel Rider, Stable: Battle Elephant, Stable: Steppe Lancer, Stable: Bloodlines, Siege Workshop: Bombard Cannon, Dock: Fast Fire Ship, Dock: Elite Cannon Galleon, Monastery: Redemption, Monastery: Atonement, Monastery: Illumination, Monastery: Block Printing, Monastery: Theocracy. These gaps can influence which late-game units or upgrades are practical.
Signature units
Unique technologies
The sections below list units, research, and upgrades marked unavailable in this technology tree.
- Also known as
- Celts/Tree · Celts/Tree
- Focus
- Technology tree · Building-by-building
- Signature / category
- Units and research explicitly unavailable
- Release / context
- The Age of Kings
- Region
- Western Europe
- Classification
- Civilization tech trees