Nightmare Recurrence is a periodic challenge source for upgrade materials and stones, helping players collect rewards outside ordinary Supplies farming.
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WHERE & HOW TO FARM
Where to farm
Battle > Challenges > Nightmare Recurrence.
Nightmare Recurrence is a periodically updated challenge mode. Its encounter rewards can include upgrade materials and stones, making it a useful rotation to check when those rewards are needed. The specific rewards and available challenges can vary, so use the current in-game track as the authority for what you can earn in this cycle. This is a challenge reward route, not a documented event-shop currency farm.
Review the currently displayed encounter list and rewards.
Prepare a team suited to the chosen encounter.
Open Battle > Challenges > Nightmare Recurrence.
Inspect the current reward track and identify an available material or stone you want.
Select an encounter that your roster can handle and read its displayed objective.
Enter the encounter with a team suited to the listed challenge.
Complete the encounter objective and claim the rewards shown for that clear.
Review remaining rewards in the current cycle before choosing another challenge.
Farming tips
Prioritize the displayed upgrade materials or stones you will actually use; reward contents can change with the mode’s updates.
If the challenge proves difficult, improve the team or choose another available encounter instead of assuming every reward requires the same approach.
Repeat, collect and use
The mode updates at intervals, so its available challenges and rewards are cycle-dependent. Complete and claim useful encounters during the current rotation, then check again when the mode refreshes. Collect and use each reward through the relevant upgrade interface.
Common mistakes
Treating the mode as a permanent fixed reward list: inspect the current cycle’s track before planning.
Assuming the name means it is always the hardest option: compare objectives and choose a manageable encounter.
Expecting an event shop or guaranteed specific item: claim only materials explicitly listed for the challenge you complete.
When to stop or switch
Stop when you have claimed the useful rewards currently available, or switch to a different progression activity if its displayed rewards better match your needs.
