Here is the full list of all 34 Dragon Marked For Death achievements.
Defeat a Named Monster.
Reach character level 50.
Defeat 20 Mimics.
Reach character level 30.
Reach the ending as the Witch.
Defeat Vasith.
Defeat the Lycanthrope.
Clear 25 different quests.
Defeat 20 Purplants.
Defeat 10 Deva Slimes.
Defeat Jinryu.
Defeat 200 Watchers.
Have 100000 gold at once.
Defeat 10 Knights.
Defeat 10 Hermit Kings.
Defeat 20 Bombuds.
Clear 10 different quests.
Use 100 restorative items.
Reach character level 10.
Defeat 20 Tough Chicks.
Defeat Cthulhu.
Defeat the Ogre Prince.
Defeat Equus.
Buy items at shops 100 times.
Sell items at shops 100 times.
Exchange for items at the Black Market 30 times.
Use 10 pieces of Dragonite.
Reach the ending as the Empress.
Reach the ending as the Warrior.
Reach the ending as the Shinobi.
Reach the ending as the Oracle.
Reach the ending as the Bandit.
Reach the True Ending (any character).
As the Empress, drop 10 pieces of edible fruit from trees.