Here is the full list of all 40 LOST EPIC achievements.
Depart the witch's manor and head for the sanctuaries.
Slay Heoxilia.
Slay Neovonis.
Slay Lundrute.
Slay Ankah-Vaye.
Slay Efufu-Paluno.
Slay Nozoth.
Listen to the Lost Epic.
Slay the God of Everlasting Darkness.
Slay the Twin Gods.
Reach your end without having fulfilled your knightly duties.
Reach your end having fulfilled all of your knightly duties given to you by the Witch of Nabel.
Begin your eternal life as a god, and watch over this world.
Set foot into the world as a human.
Collect all of the mist.
Take out all targets on the Kill List.
Collect a total of 10000000 anima.
Possess a heart worthy of a human.
Catch all types of fish.
Cook all types of food.
Cultivate all types of plants.
Gather all types of materials.
Acquire all of the Divine Skills.
Perform 20 Divine Skill counters.
Gain complete mastery over a Divine Skill.
Obtain proof that you have reached the heights of the sanctuaries.
Enhance any weapon to its maximum level.
Learn a Secret Technique for the first time.
Make equipment from a god's anima for the first time.
Give Cecilia a god's anima for the first time.
Make a weapon and evolve it to its final stage for the first time.
Complete each maze at least once.
Complete all of the quests from the Beautiful and Noble Dame.
Complete all of the quests from the Mongrel Boy.
Complete all of the quests from the Girl Hiding in the Sanctuaries.
Complete all of the quests from the Son of a God.
Complete all of the quests from the Lingering Soul.
Complete all of the requests on the bulletin board.
Defeat the enraged Witch of Nabel.
Visit every area on the map.