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