Increase the movement speed of siege engines by +20%.
If Greased Axles has already been researched, increase it by +5% instead.
Available in the Castle Age (III)
Researched at
Costs
150
350
500
1:00
Age of Empires IV© Microsoft Corporation. AoE4World.com was created under Microsoft's "Game Content Usage Rules" using assets from Age of Empires IV , and it is not endorsed by or affiliated with Microsoft.