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