For an introduction guide, please follow Remi's guide: https://docs.google.com/document/d/18wnPWl-oo0mYLtAK_NBKxzT5hrQ3BkLXGgNFjhgIOxg/edit
Where to find the Dark Memory Quests:
Where to get the materials?
Jewels
 | Description | A material used to evolve wind-affinity weapons. |
|---|---|---|
| Exchange | Event Medals | |
| Daily Quests | Monday / Saturday | |
 | Description | A material used to evolve fire-affinity weapons. |
| Exchange | Event Medals | |
| Daily Quests | Tuesday / Saturday | |
 | Description | A material used to evolve water-affinity weapons. |
| Exchange | Event Medals | |
| Daily Quests | Wednesday / Saturday | |
 | Description | A material used to evolve light-affinity weapons. |
| Exchange | Event Medals | |
| Daily Quests | Thursday / Sunday | |
 | Description | A material used to evolve dark-affinity weapons. |
| Exchange | Event Medals | |
| Daily Quests | Friday / Sunday |
Recalling Light: <Character>
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Recalling Light, or sometimes referred to as “face”, is a material that can drop in any Dark Memory Quest.
Light of Memory
Light of Memory is a material that can drop in any Dark Memory Quest, and you can also obtain them through the Dark Memory Chapter Summons (5 per month)
Zenith's Brilliance
Zenith's Brilliance, or commonly referred as “cube”, is a very rare material that can drop in any Dark Memory Quest.
You can also obtain a Zenith's Brilliance in a variety of other ways:
- Dark Memory Chapter Summons (1 per month)
- Arena Coin Exchange (1 per 1,500 Arena Coins; 1 per week)
- Bronze Subjugation Battle Coin Exchange (1 per 4,000 Bronze Subjugation Battle Coins; 1 per month)
- Dark Coin Exchange (1 per 100,000 Dark Coins; no limits)
- Mysterious Crystal Exchange (1 per 3 Mysterious Crystals; no limits, but Mysterious Crystals are very limited in availability)
- Abyss Tower (Quest mission rewards)
- NieR Day (Generally one is gifted to all players on the 28th of every month upon login)
You can also obtain 10 total Piece: Zenith's Brilliance to obtain a full Zenith's Brilliance. These can be obtained through a few methods:
- Subjugation Weekly Rewards (Up to 5 a week)
- Arena Weekly Rewards (Up to 2 a week)
- Once per Day Quests - Completion Reward (1 is available every Saturday)
- EX Hard Event Quests - Completion Reward (Generally obtainable during Record and Variation events)
All materials required to evolve a dark weapon to stage 11
| Stage | Jewels | Recalling Light: <Character>  | Light of Memory  | Zenith's Brilliance  | Note |
|---|---|---|---|---|---|
| 2 | 5 | 5 | 10 | 0 | |
| 3 | 5 | 7 | 15 | 0 | |
| 4 | 5 | 10 | 23 | 0 | Dark Trial: Easy Dark Lair: Normal Dark Coin Quest: Normal EX Ticket Quest: Normal |
| 5 | 10 | 15 | 35 | 1 |  |
| 6 | 10 | 22 | 50 | 1 | |
| 7 | 10 | 30 | 70 | 1 | Dark Trial: Normal Dark Lair: Hard Dark Coin Quest: Hard EX Ticket Quest: Hard |
| 8 | 20 | 40 | 100 | 2 |  |
| 9 | 20 | 55 | 150 | 2 | |
| 10 | 20 | 70 | 200 | 2 | |
| 11 | 30 | 100 | 300 | 3 | Dark Trial: Hard |
| TOTAL | 135 | 354 | 953 | 12 |
After evolving your dark weapon to stage 11 you will unlock the Dark Trial: Hard; you will acquire the associated the dark memory (EX) character costume upon completing that quest.