Deathward

1. 
   Augmented

   Receive your first upgrade from Death
   89%
2. 
   Lethality

   Increase your Scythe damage
   39%
3. 
   Death's Champion

   Receive Death's final upgrade
   33%
4. 
   Cryptwalker

   Teleport to every Crypt in the overworld
   39%
5. 
   Army of the Dead

   Unlock the Skeleton Army ability, and the upgrades for all three skeleton minions
   39%
6. 
   Necromancer

   Unlock the Angel of Death ability
   56%
7. 
   Alchemist

   Unlock all potions and bottles
   50%
8. 
   Gravekeeper

   Find every Lost Key and open every locked gate in the graveyard
   39%
9. 
   Fisher

   Catch the elusive Ghost Fish
   44%
10. 
    Combatant

    Win every challenge in the graveyard arena
    33%
11. 
    Wealthy

    Earn 1000 Spirit Tokens in one save file (not all at once!)
    44%
12. 
    Delver

    Find the large treasure in all caves and mini-dungeons
    39%
13. 
    Crazed DruidSecret

    Steam withholds the description of a secret achievement.
    61%
14. 
    Infernal GeneralSecret

    Steam withholds the description of a secret achievement.
    50%
15. 
    Vessel of SoulsSecret

    Steam withholds the description of a secret achievement.
    50%
16. 
    ImmortalSecret

    Steam withholds the description of a secret achievement.
    50%
17. 
    Mortal

    Complete the game with zero deaths
    17%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 17 of them.