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.
Defeat Suladân.
Forge a top tier Gem.
Defeat the Balrog.
Recruit an Orc after he's killed you three or more times.
Complete all Gondor quests.
Open one of the Ithildin Doors.
Send a Follower to support another Follower in a Nemesis Mission.
Recruit a Follower of every Advanced Class.
Issue a Death Threat, and then successfully kill the target.
Conquer the Fortress of Núrnen.
Start a Conquest with all Warchiefs as spies.
Equip 3 Siege Upgrades on an Assault Team.
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.
Complete a challenge to upgrade a piece of gear.
Disable an Outpost.
Destroy a Monument.
Complete an Online Vendetta.
Unlock 3 Gem slots.
Complete a Vendetta Mission.
Meet an Enemy or a Follower who has cheated death.
Forge a higher-quality Gem by combining three Gems of the same quality.
Resurrect a Follower Captain.
Recover all Gondorian artifacts.
Uncover the final Shelob memory and reveal the Web of Fate.
Complete the Shadow Wars.
Complete all Carnán quests.
Complete all Brûz 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.
Shame an Assassin until he becomes deranged.
Send a Destroyer on a Vendetta Mission.
Complete all Shadow of the Past missions in one region.
Ride every type of beast and rare beast.
Kill a drake while riding a graug.
Kill a Captain while riding an Olog.
Help a grunt become an Overlord.
Make a Captain kill his bloodbrother.
Attract every kind of beast using bait.
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.