Promotion tree light cavalry

Caparison +5 Combat Strength vs. Anti Cavalry.

Coursers +5 Combat Strength when attacking ranged and siege units.

Depredation Pillaging costs only 1 Movement point.

Double Envelopment 2x flanking bonus.

Pursuit +1 Movement.

Spiking the Guns +7 Combat Strength vs. siege units.

Forward Observers Formation units all inherit escort's Movement speed.