Full list of all 72 Middle-earth: Shadow of War achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 52 achievements, and there are 2 DLC packs containing 20 achievements.
Reach the rank of Captain in Online Conquest.
Recruit an Orc after he's killed you three or more times.
Kill a Captain while riding an Olog.
Complete the Shadow Wars.
Shame an Assassin until he becomes deranged.
Help a grunt become an Overlord.
Resurrect a Follower Captain.
Win all Fight Pit missions.
Rescue a Follower who's been captured.
Complete all Eltariel quests.
Defeat the Witch-king and reclaim Minas Morgul.
Equip a full Legendary Gear set as Talion.
Unlock all player skills.
Defeat Helm Hammerhand.
Defeat Suladân.
Make a Captain kill his bloodbrother.
Send a Follower to kill another Follower in a pit fight.
Ride every type of beast and rare beast.
Forge a top tier Gem.
Send a Follower to support another Follower in a Nemesis Mission.
Complete all Brûz quests.
Recruit a Follower of every Advanced Class.
Kill a drake while riding a graug.
Attract every kind of beast using bait.
Complete all Gondor quests.
Use a Training Order to give a Follower a gang.
Recover all Gondorian artifacts.
Complete all Carnán quests.
Complete all Shadow of the Past missions in one region.
Defeat the Balrog.
Uncover the final Shelob memory and reveal the Web of Fate.
Purify all the Haedir.
Equip 3 Siege Upgrades on an Assault Team.
Send a Destroyer on a Vendetta Mission.
Conquer the Fortress of Núrnen.
Start a Conquest with all Warchiefs as spies.
Strike a Follower until he's had enough.
Turn all of a Warchief's bodyguards (minimum 2) into spies, then confront him.
Encounter the same Orc 3 times in nemesis missions without killing him.
Watch a Follower murder another Captain without helping him.
Complete Act I.
Defeat a Warchief.
Issue a Death Threat, and then successfully kill the target.
Complete a challenge to upgrade a piece of gear.
Complete an Online Vendetta.
Unlock 3 Gem slots.
Destroy a Monument.
Disable an Outpost.
Forge a higher-quality Gem by combining three Gems of the same quality.
Meet an Enemy or a Follower who has cheated death.
Complete a Vendetta Mission.
Open one of the Ithildin Doors.
Witness the end of Eltariel’s path.
Defeat the Rogue Nazgûl.
Defeat the Lawless.
Settle the Fixer’s score with the overlord of Núrn.
Deny Sauron’s control of Seregost forever.
Defend Cirith Ungol from a new threat.
Blind 100 Orcs.
Use Light Trap against 20 Orcs.
Recruit your first follower as Eltariel.
Complete an Online Conquest with an Eltariel skin.
Complete the Desolation of Mordor with a Gold Rating.
Conquer the Fortress of Shindrâm as Baranor.
Defend the Oasis.
Save Serka.
Leave your mark on the Overlord of Lithlad.
Change the landscape of Lithlad.
Kill at least one enemy with each ammo type while gliding as Baranor.
Collect all Númenórean artifacts and bring them to Torvin.
Conquer the Fortress of Shindrâm as Talion.
Achieve a Gold Rating on all Shadow of the Past missions in Lithlad.