Complete the Battle of 300.
Complete Episode 1.
Complete Episode 2.
Complete Episode 3.
Complete Episode 4.
Complete Episode 5.
Complete Episode 6.
Complete Episode 7.
Complete Episode 8.
Complete Episode 9 + Epilogue.
Complete all underwater location objectives.
Engrave your first item.
Recruit and assign a Legendary NPC for your ship.
Acquire and equip your first Legendary item.
Equip 1 Legendary melee weapon and 5 Legendary armor pieces.
Become Champion of the Arena.
Reach Level 50.
Acquire a Tier 3 active Ability.
Upgrade your Spear to Tier 6.
Become the first Mercenary.
Defeat all the Cultists of Kosmos.
Recover the Cyclops's eye from a goat on Kephallonia.
Unveil all sub-regions of Greece.
Defeat the Minotaur.
Defeat the Cyclops.
Outwit the Sphinx.
Fully upgrade the Adrestia.
Fully crew the Adrestia with Legendary Lieutenants.
Complete the Daughters of Artemis questline.
Complete Markos's questline.
Complete the Hippokrates questline.
Complete Xenia's questline.
Complete the Olympic questline.
Sink your first Epic Ship.
Defeat a Mercenary in the Arena.
Upgrade the Adrestia for the first time.
Equip a Legendary Armor set.
Spend the night with another character.
Defeat a full cluster of Cultists of Kosmos.
Discover Atlantis and speak with Pythagoras.
Cleave a ship in half.
Perform an Overpower Attack with every weapon type.
Kill the Leader of any Region with Low Resources, other than Megaris.
Complete 20 Bounties, War Contracts, or Naval Quests from Message Boards.
Complete 20 Quests on Pephka, Obsidian and Abantis islands.
Raise your Bounty to the maximum level.
Win your first on land conquest battle in any region (excluding Megaris in Hero's Journey).
Cleave a ship while having an all-women crew.
Engrave a Legendary Item with a Legendary Effect.