Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Better Weapons (Easy)	Fully upgrade all weapons on Easy difficulty.
Better Weapons (Hard)	Fully upgrade all weapons on Hard difficulty.
Better Weapons (Normal)	Fully upgrade all weapons on Normal difficulty.
Defeat Ainz Ooal Gown	Beat the Stage 8 Boss on Hard difficulty.
Defeat Albedo	Beat the Stage 7 Boss on Hard difficulty.
Defeat Cocytus	Beat the Stage 5 Boss on Hard difficulty.
Defeat Entoma Vasilissa Zeta	Beat the Stage 4 Boss on Hard difficulty.
Defeat Hamusuke	Beat the Stage 3 Boss on Hard difficulty.
Defeat Narberal Gamma	Beat the Stage 2 Boss on Hard difficulty.
Defeat Shalltear Bloodfallen	Beat the Stage 6 Boss on Hard difficulty.
Defeat Yuri Alpha	Beat the Stage 1 Boss on Hard difficulty.
Easy Does It	Complete the game on Easy difficulty.
Escape from Nazarick	Complete the game on every available difficulty.
Great Tomb of Nazarick	Start the game.
Hard-Won Glory	Complete the game on Hard difficulty.
Magic Mastery (Easy)	Acquire every form of magic on Easy difficulty.
Magic Mastery (Hard)	Acquire every form of magic on Hard difficulty.
Magic Mastery (Normal)	Acquire every form of magic on Normal difficulty.
Master of Magic	Acquire every form of magic on all available difficulties.
Nice and Normal	Complete the game on Normal difficulty.
Weapon Collection (Easy)	Obtain all weapons on Easy difficulty.
Weapon Collection (Hard)	Obtain all weapons on Hard difficulty.
Weapon Collection (Normal)	Obtain all weapons on Normal difficulty.
Weapon Collector	Obtain all weapons on all available difficulties.
Weapon Master	Fully upgrade all weapons on all available difficulties.