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