Here is the full list of all 25 Record of Lodoss War-Deedlit in Wonder Labyrinth- achievements.
(Achieve S Rank in Boss Rush)
(Unlock all achievements)
(Achieve A Rank in Boss Rush)
(Achieve B Rank in Boss Rush)
(Acquire all weapons)
(Discover all monsters)
(Acquire all Spirit Magic)
(Fill in 100% of the map)
(Use Spirits to automatically increase your level)
(Achieve S Rank at the Bow Training Area)
(Bet all of your assets when gambling with Woodchuck)
(View the ending)
(Defeat Nihil)
(Defeat Karla)
(Defeat Ashram)
(Defeat Beld)
(Defeat Pirotess)
(Defeat Narse)
(Defeat the Demon God)
(Attack Ghim)
(Defeat Flaus)
(Defeat Shooting Star)
(Defeat Djinn & Efreet)
(Defeat Abram)
(Start the game)