Double-Bit Axe is a Lumber Camp technology. Villagers gather wood +20% faster.
- Building: Lumber Camp
- Age: Feudal Age (Burgundians get it one age earlier)
- Cost: 100 food, 50 wood
- Research time: 25 seconds
- Available to: every civilization
Usually the first economy upgrade researched in the Feudal Age, because most villagers early in the game are on wood.
Figures from the game data for Update 185872 (September 2026), at the time of publishing.