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Leather Sails Aorsoi (Imperator Augustus)Aorsoi (Imperator Augustus) War Exercises Tier 2

Leather Sails

If you harness the wind the voyage is quicker.

Conditions in the Atlantic Ocean could be difficult, with many squalls and regular, violent storms to navigate. Any vessel hoping to survive a voyage in this rough weather needed to be strong and sturdy. The Celts used oak in their ship construction, which meant their hulls could withstand the battering of both the waves and Roman ships, but it also meant they needed a sturdier sail. Leather was the favoured material, it was hardwearing, could cope with rough conditions, and the sheer weight of the ship it was attached to.

War Exercises

Leather Sails

Node Set

Tier 2






  • +3% replenishment rate for all armies and fleets
  • -3% recruitment costs for all ships
  • -3% upkeep cost for all fleets
Requires Technologies HeadhuntHeadhunt
Enables Technologies Oak ConstructionOak Construction
Enables Buildings BoatyardBoatyard