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