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.
Recruit an Orc after he's killed you three or more times.
Start a Conquest with all Warchiefs as spies.
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.
Ride every type of beast and rare beast.
Unlock all player skills.
Kill a Captain while riding an Olog.
Resurrect a Follower Captain.
Make a Captain kill his bloodbrother.
Strike a Follower until he's had enough.
Send a Follower to kill another Follower in a pit fight.
Win all Fight Pit missions.
Send a Destroyer on a Vendetta Mission.
Complete the Shadow Wars.
Attract every kind of beast using bait.
Reach the rank of Captain in Online Conquest.
Forge a top tier Gem.
Rescue a Follower who's been captured.
Help a grunt become an Overlord.
Defeat the Witch-king and reclaim Minas Morgul.
Equip a full Legendary Gear set as Talion.
Complete all Eltariel quests.
Shame an Assassin until he becomes deranged.
Complete all Carnán quests.
Complete all Gondor quests.
Encounter the same Orc 3 times in nemesis missions without killing him.
Defeat Helm Hammerhand.
Purify all the Haedir.
Use a Training Order to give a Follower a gang.
Defeat Suladân.
Send a Follower to support another Follower in a Nemesis Mission.
Complete all Brûz quests.
Recruit a Follower of every Advanced Class.
Defeat the Balrog.
Forge a higher-quality Gem by combining three Gems of the same quality.
Unlock 3 Gem slots.
Conquer the Fortress of Núrnen.
Watch a Follower murder another Captain without helping him.
Equip 3 Siege Upgrades on an Assault Team.
Complete a challenge to upgrade a piece of gear.
Complete Act I.
Defeat a Warchief.
Issue a Death Threat, and then successfully kill the target.
Destroy a Monument.
Meet an Enemy or a Follower who has cheated death.
Complete an Online Vendetta.
Disable an Outpost.
Open one of the Ithildin Doors.
Complete a Vendetta Mission.
Recover all Gondorian artifacts.
Complete all Shadow of the Past missions in one region.
Kill a drake while riding a graug.
Witness the end of Eltariel’s path.
Defeat the Rogue Nazgûl.
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.
Defeat the Lawless.
Conquer the Fortress of Shindrâm as Talion.
Conquer the Fortress of Shindrâm as Baranor.
Defend the Oasis.
Save Serka.
Leave your mark on the Overlord of Lithlad.
Change the landscape of Lithlad.
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.
Achieve a Gold Rating on all Shadow of the Past missions in Lithlad.