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