Full list of all 93 Assassin's Creed Odyssey achievements worth 1,850 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 19 DLC packs containing 43 achievements worth 850 Gamerscore.
Upgrade the Adrestia to Legendary Status.
Become Champion of the Arena.
Defeat Medusa.
Reach Level 50.
Upgrade your Spear to Tier 6.
Defeat all the Cultists of Kosmos.
Become the first Mercenary.
Win your first on land conquest battle in any region (excluding Megaris in Hero's Journey).
Engrave a Legendary Item with a Legendary Effect.
Cleave a ship while having an all-women crew.
Cleave a ship in half.
Defeat the Minotaur.
Defeat the Cyclops.
Fully crew the Adrestia with Legendary Lieutenants.
Complete Episode 9 + Epilogue.
Defeat a Mercenary in the Arena.
Equip 1 Legendary melee weapon and 5 Legendary armor pieces.
Complete Episode 8.
Complete Episode 7.
Complete the Olympic questline.
Outwit the Sphinx.
Discover Atlantis and speak with Pythagoras.
Kill the Leader of any Region with Low Resources, other than Megaris.
Acquire a Tier 3 active Ability.
Complete Episode 6.
Complete Episode 5.
Defeat a full cluster of Cultists of Kosmos.
Equip a Legendary Armor set.
Complete Episode 4.
Sink your first Epic Ship.
Raise your Bounty to the maximum level.
Upgrade the Adrestia for the first time.
Complete Episode 3.
Acquire and equip your first Legendary item.
Complete Episode 2.
Spend the night with another character.
Recruit and assign a Legendary NPC for your ship.
Complete Episode 1.
Engrave your first item.
Complete the Battle of 300.
Complete all underwater location objectives.
Recover the Cyclops's eye from a goat on Kephallonia.
Unveil all sub-regions of Greece.
Complete the Daughters of Artemis questline.
Complete Markos's questline.
Complete the Hippokrates questline.
Complete Xenia's questline.
Perform an Overpower Attack with every weapon type.
Complete 20 Bounties, War Contracts, or Naval Quests from Message Boards.
Complete 20 Quests on Pephka, Obsidian and Abantis islands.
Complete The Show Must Go On.
Complete Divine Intervention.
Complete The Image of Faith.
Complete The Daughters of Lalaia.
Complete A Poet's Legacy.
Complete A Brother's Seduction
Complete A Friend Worth Dying For
Complete The Heir of Memories
Complete One Really, Really Bad Day
Complete Every Story Has an Ending
Complete Old Flames Burn Brighter
Defeat Steropes the Lightning Bringer.
Defeat Arges the Bright One
Kill the Makedonian lion.
Kill all of the Ancients in the Order of the Hunters in Makedonia.
Discover the truth about Darius's past.
Land a Rush Assassinate that chains 4 times with the Pride of the Lion.
Kill 10 enemies using the Death Veil ability.
Kill 10 enemies using the Rapid Fire ability.
Set 10 enemy ships on fire.
Heal by parrying 10 times with the Judgment of the Lion.
Continue the bloodline.
Kill all of the Ancients in the Order of the Storm in Achaia.
Kill 10 enemies using the Fury of the Bloodline Ability.
Secure your bloodline
Heal by getting 10 headshot kills while you have the Golden Harbinger equipped.
Acquire the Sword of Kings
Kill all the Ancients in the Order of Dominion in Messenia
Kill all Overseers in Elysium.
Remember who you are.
Destroy all of the Marble Maiden Tributes.
Collect all the Keeper's Insights in Episode 1.
Win the conquest of Elysium with freed humans from the 3 main regions.
Defeat Cerberos.
Close all Tartaros Rifts.
Defeat all of the Fallen.
Collect all the Keeper's Insights in Episode 2.
Dethrone the king.
Kill 10 Isu Soldiers with the Blessing of Kronos enhancement.
Completely fill the Knowledge Sequence.
Forge the 3 Legendary Weapons.
Collect all the Keeper's Insights in Episode 3.
Defeat the Hekatonchires.