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