Here is the full list of all 70 Tyranny achievements.
The base game contains 50 achievements, and there is 1 DLC pack containing 20 achievements.
Complete the game without any allies.
Gain Bleden Mark's loyalty and have him turn on Tunon the Adjudicator.
Emerge victorious from your trial with Tunon the Adjudicator, forcing him to submit to your rule.
Kill Cairn while on the Anarchist Path.
Break all of Kyros' Edicts.
Create a spell from all 11 schools of magic in a single playthrough.
Become a seasoned adjudicator.
Claim Sentinel Stand Keep for yourself.
Defeat every Havoc in the game.
Reach maximum Fear with a Companion.
Destroy the Burning Library
Cut the rune from the Sage's chest in the Burning Library.
Spend some time alone in the brothel in Lethian's Crossing.
Allow Kyros' Day of Swords to arrive without taking Vendrien's Well.
Have Tarkis Demos executed in Edgering Ruins.
Complete the game after forging an alliance among the rebel factions of the Tiers.
Defeat each of the Archons in a single playthrough of the game.
Sacrifice one of your Companions to the Voices of Nerat, taking control of the Archon's Mind - and the Scarlet Chorus.
Acquire 10 Artifacts.
Construct an upgrade on every Spire.
Gain control of every Spire.
Distract the Forge-Bound smith in Lethian's Crossing until he loses control of his magic.
Reach maximum Wrath with a faction.
Issue an Edict from the Mountain Spire, establishing yourself as an Exarch - a potential Archon.
Reach maximum Loyalty with a Companion.
Exploit a legal loophole to keep Amelia's baby alive.
Acquire 5 Artifacts.
Learn the last talent in any of the player's 6 talent trees.
Successfully use a combo ability with each Companion in the game.
Create a spell with a high Lore requirement.
Claim the Magebane Helm after defeating the Havoc inside the Oldwalls by Lethian's Crossing.
Discover 25 hidden objects.
Acquire an Artifact.
Recruit every Companion character in the game.
Construct an upgrade on one of your Spires.
Kick someone off of your Spire.
Gain control of the Mountain Spire in Vendrien's Well.
Lay claim to Ascension Hall in Kyros' name, ending the Overlord's Edict of Execution.
Reach maximum Favor with a faction.
Send your first Missive.
Gain your first Reputation Ability.
Complete the game as an ally of the Scarlet Chorus.
Complete the game as an ally of the Disfavored.
Finish the game on Trial of Iron mode.
Finish the game on the Path of the Damned difficulty setting.
Convince Graven Ashe to submit to your rule, swaying his allegiance from Kyros.
Survive the Rite of Savagery and Stone, joining the Stonestalker tribe.
Complete the game without ever using a Health Potion.
Keep Cairn alive, suffering from the effects of Kyros' Edict.
Convinct an Archon in Tunon's Court.
Complete Barik's Companion Quest
Slay all who would willfully trespass the Oldwalls in the Bastard's Wound.
Slay a foe with a slab of meat.
Complete Verse's Companion Quest
Complete Lantry's Companion Quest
Complete all available quests and sidequests in the Bastard's Wound.