Here is the full list of all 50 Armello achievements.
Win a game with Mercurio of the Rat Clan.
Overcome ten Perils in a single game.
Have your Items grant you six or more Shields in Battle.
Steal the King's Crown in Battle with the Mirror Cape.
Win a game with Thane of the Wolf Clan.
Win a game with a Rot Victory.
Kill the King in Battle, without taking any Wounds.
Reach 13 Rot or more in a single game.
Pierce through 3 Shields with Thane's Hero Power.
Defeat four or more Kings Guard's in a single game.
In a single game, find two Portals by Exploring Dungeons.
Breach the Palace before the 5th Dawn.
Kill another Hero in Battle with nothing Equipped and no Followers.
Be tricked and trapped by some troublesome lil' fellows.
Have the Spy Glass and Sailor's Lantern Equipped at the same time.
Play Reprieve on yourself the same turn you receive a Bounty.
Be presented with a mystical choice.
Win a game of Armello without killing another Hero.
Win a game with a Spirit Stone Victory.
Win a game with Barnaby of the Rabbit Clan.
Regain a Recruited Follower to your Party whom you had already lost that game.
As Barnaby, have three Items Equipped and have a full Hand of Item Cards.
Win a game with Amber of the Rabbit Clan.
Play Lightning Strike to a Hero standing on a Palace Tile.
Win a game with Brun of the Bear Clan.
Win a game of Armello without dying.
Win a game with a Kingslayer Victory.
As the Prestige Leader, attack the King.
In a single game, receive more than ten Gold from Exploring Dungeons.
Steal another Hero's last Gold using Mercurio's Hero power.
Win a game with River of the Wolf Clan.
Win a game with a Prestige Victory on the 9th Day or later.
Win a game with a Prestige Victory
Be saved by a very helpful fellow, just when you need him most.
Complete Armello's Prologue.
Win a game with Sana of the Bear Clan.
Win a game with Zosha of the Rat Clan.
Kill the same Hero 5 times in a single game.
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.
Kill 3 King's Guards with a Royal Pardon Equipped.
Find and Equip three Treasures from Dungeons.
Heal a Bane.
In one turn, Kill a Hero with whom you currently have an Allies' Pact and take one of their Settlements.
In a game, go from being Corrupt to having 0 Rot.
Be tempted beyond restraint in a Forest.
Become King or Queen of Armello 50 times.