Here is the full list of all 32 Desert Revenant achievements.
Complete a battle without taking any damage
Deal 100 damage or more with a single attack
Deal 1,000 damage or more with a single attack
Complete a Boss battle without taking any damage
Win a battle with 1 HP remaining
Complete a run with no less than 35 cards in your deck
Defeat both the Golden King and the Moon King in the same run with the Leper
Defeat both the Golden King and the Moon King in the same run with the Seer
Win a battle without using a Chaos card
Defeat the Queen Cobra
Defeat Soul of Desolation
Receive 100 or more Hitpoints from Healing in a single battle
Defeat the Golden King and the Moon King while afflicted by 4 or more curses
Defeat the Golden King and the Moon King while afflicted by 8 or more curses
Use over 20 Scrolls in a single battle as the Seer
Evolve the same debuff for 10 times in a single battle without letting it expire as the Leper
Defeat the Sand Ogre.
Defeat the Dunestalker.
Defeat the Golden King, Moon King and King of Vengeance in the same run with the Leper.
Defeat the Golden King, Moon King and King of Vengeance in the same run with the Seer.
Defeat the Golden King, Moon King and King of Vengeance while afflicted by 4 or more curses.
Defeat the Golden King, Moon King and King of Vengeance while afflicted by 8 or more curses.
Defeat the Golden King, Moon King and King of Vengeance in the same run with the Combatant.
Defeat the Asag.
Defeat the Nephilim.
Equip 8 Weapons of different names with the Combatant in a single battle.
Defeat Jinn of Two Thunders.
Defeat the Duelist without using any Creation card.
Achieve a Victory while afflicted by 12 or more Curses.
Defeat a Mini Boss or Boss on your first turn.
Achieve a Victory while afflicted by a Curse.
Defeat both the Golden King and the Moon King in the same run with the Combatant.