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 the Witch-king and reclaim Minas Morgul.
Equip a full Legendary Gear set as Talion.
Unlock all player skills.
Complete all Eltariel quests.
Complete all Carnán quests.
Defeat Helm Hammerhand.
Defeat Suladân.
Rescue a Follower who's been captured.
Complete all Brûz quests.
Complete all Gondor quests.
Defeat the Balrog.
Recover all Gondorian artifacts.
Turn all of a Warchief's bodyguards (minimum 2) into spies, then confront him.
Uncover the final Shelob memory and reveal the Web of Fate.
Forge a top tier Gem.
Purify all the Haedir.
Send a Follower to support another Follower in a Nemesis Mission.
Use a Training Order to give a Follower a gang.
Equip 3 Siege Upgrades on an Assault Team.
Recruit a Follower of every Advanced Class.
Complete all Shadow of the Past missions in one region.
Conquer the Fortress of Núrnen.
Start a Conquest with all Warchiefs as spies.
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 an Online Vendetta.
Forge a higher-quality Gem by combining three Gems of the same quality.
Complete a Vendetta Mission.
Complete a challenge to upgrade a piece of gear.
Disable an Outpost.
Destroy a Monument.
Unlock 3 Gem slots.
Open one of the Ithildin Doors.
Meet an Enemy or a Follower who has cheated death.
Issue a Death Threat, and then successfully kill the target.
Resurrect a Follower Captain.
Complete the Shadow Wars.
Win all Fight Pit missions.
Reach the rank of Captain in Online Conquest.
Shame an Assassin until he becomes deranged.
Send a Destroyer on a Vendetta Mission.
Recruit an Orc after he's killed you three or more times.
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.
Send a Follower to kill another Follower in a pit fight.
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.
Recruit your first follower as Eltariel.
Complete an Online Conquest with an Eltariel skin.
Use Light Trap against 20 Orcs.
Conquer the Fortress of Shindrâm as Baranor.
Defend the Oasis.
Collect all Númenórean artifacts and bring them to Torvin.
Save Serka.
Leave your mark on the Overlord of Lithlad.
Change the landscape of Lithlad.
Conquer the Fortress of Shindrâm as Talion.
Achieve a Gold Rating on all Shadow of the Past missions in Lithlad.
Complete the Desolation of Mordor with a Gold Rating.
Kill at least one enemy with each ammo type while gliding as Baranor.