Dig up 500 kilograms worth of chests from buried treasure atolls.

Complete 10 expeditions for buried treasure.

Successfully complete 50 Imperial outpost attacks in which your ship is at risk.

Successfully storm an Imperial outpost.

Successfully complete 200 Imperial outpost attacks in which your ship is at risk.

Successfully complete 10 Imperial outpost attacks in which your ship is at risk.

Successfully storm 10 Imperial outposts.

Successfully storm 200 Imperial outposts.

Successfully storm 50 Imperial outposts.

Successfully complete an Imperial outpost attack in which your ship is at risk.

Successfully complete 50 merchant hunt expeditions.

Successfully complete 200 merchant hunt expeditions.

Successfully complete 10 merchant hunt expeditions.

Successfully complete a merchant hunt expedition.

Complete 200 expeditions to salvage sunken ships.

Complete your first expedition to salvage a sunken ship.

Complete 10 expeditions to salvage sunken ships.

Complete 50 expeditions to salvage sunken ships.

Do the maximum possible damage to an enemy longship while on a Viking expedition.

Successfully defend 10 settlements from a Viking attack.

Successfully defend 50 settlements from a Viking attack.

Successfully defend 200 settlements from a Viking attack.

Successfully defend a settlement from a Viking attack.

Participate in the sinking of 200 archelons in Atlantis.