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