Here is the full list of all 50 Armello achievements.
Make 3 Kills in one Turn using River's Hero power.
Annihilate another Hero with Brun's Hero power active.
Steal the King's Crown in Battle with the Mirror Cape.
Become King or Queen of Armello 50 times.
In a game, go from being Corrupt to having 0 Rot.
In one turn, Kill a Hero with whom you currently have an Allies' Pact and take one of their Settlements.
Pierce through 3 Shields with Thane's Hero Power.
Overcome ten Perils in a single game.
Play Reprieve on yourself the same turn you receive a Bounty.
Defeat four or more Kings Guard's in a single game.
Win a game with a Rot Victory.
As Amber, have 3 Equipped Treasures and 3 Recruited Followers.
Regain a Recruited Follower to your Party whom you had already lost that game.
Be tempted beyond restraint in a Forest.
Kill the King in Battle, without taking any Wounds.
Kill 3 King's Guards with a Royal Pardon Equipped.
Play Lightning Strike to a Hero standing on a Palace Tile.
Reach 13 Rot or more in a single game.
In a single game, find two Portals by Exploring Dungeons.
Steal another Hero's last Gold using Mercurio's Hero power.
Be presented with a mystical choice.
Find and Equip three Treasures from Dungeons.
Be tricked and trapped by some troublesome lil' fellows.
Finish a game with Zosha having never been revealed at Night.
Breach the Palace before the 5th Dawn.
Have your Items grant you six or more Shields in Battle.
Have the Spy Glass and Sailor's Lantern Equipped at the same time.
Heal a Bane.
As Barnaby, have three Items Equipped and have a full Hand of Item Cards.
In a single game, receive more than ten Gold from Exploring Dungeons.
Win a game with Barnaby of the Rabbit Clan.
Kill the same Hero 5 times in a single game.
Win a game with Brun of the Bear Clan.
Win a game with Zosha of the Rat Clan.
Be saved by a very helpful fellow, just when you need him most.
Win a game with River of the Wolf Clan.
Win a game with a Kingslayer Victory.
As the Prestige Leader, attack the King.
Win a game with Amber of the Rabbit Clan.
Win a game of Armello without dying.
Win a game with a Spirit Stone Victory.
Win a game with Sana of the Bear Clan.
Defeat a Corrupted Hero with Sana's Hero Power.
Win a game with Mercurio of the Rat Clan.
Win a game with a Prestige Victory on the 9th Day or later.
Win a game with Thane of the Wolf Clan.
Win a game of Armello without killing another Hero.
Win a game with a Prestige Victory
Kill another Hero in Battle with nothing Equipped and no Followers.
Complete Armello's Prologue.