Traction Trebuchet - Mongols

Siege Technology

Increase the movement speed of siege engines by +15%.

150

350

Military Academy

Production Technology

Increase the production speed of infantry, cavalry, siege, and transport units at buildings by 33%. Does not affect religious units or other support units.

Greased Axles (Improved)

Siege Technology

[特有] Increase the movement speed of siege engines by +25%. If Greased Axles has already been researched, increase it by +10% instead.

150

350

500

Military Academy (Improved)

Production Technology

[特有] Increase the production speed of military and transport units at buildings by 53%. Does not affect religious or other support units. If Military Academy has already been researched, increase production speed by 20% instead.

350

Yam Network

Movement Technology

[特有] Yam speed aura applies to all units instead of just Traders and cavalry units. Does not apply to siege engines.

Geometry

Siege Technology

Increase damage of Trebuchets by +20%.

225

Siege Works

Siege Technology

New carpentry techniques increase the health of siege units by +20%.

300

600

Siege Works (Improved)

Siege Technology

[特有] New carpentry techniques increase the health of siege engines by +30%. If Siege Works has already been researched, increase their health by +10% instead.

300

600

900

Yam Network (Improved)

Movement Technology

[特有] Yam speed aura applies to all units instead of just Traders and cavalry units. Does not apply to siege engines. Improved Yam Network allows Traders to regenerate 1 health every 2 seconds while in Yam's aura.