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