Mochi Room Battle Passives
Passives are run upgrades in Room Battle. The official update says choosing them can completely change how your room performs — the exact list and effects are verified as data is confirmed.
Quick answer
Passives are upgrades you choose during a Room Battle run. The official update says they "can completely change how your room performs," and that each run develops differently depending on the choices you make.
What the official update confirms
- Passives are chosen throughout a run.
- They are combined with items, Ascensions and synergies into a build.
- Passive choices can completely change how your room performs.
- Each run can develop differently depending on the upgrades you find.
When passives are chosen
Passives are part of the run progression — the update groups them with Ascensions as upgrades you pick as the run goes on, alongside buying items in the Shop. Exact timing and choice mechanics are not published in the announcement.
Passives vs Sticker bonuses
Do not confuse the two. Stickers are the collection system in the main game — they grant passive bonuses to your reward chances when equipped. Room Battle Passives are run-specific upgrades you choose during a battle run. They are separate systems.
Current passive list — not yet verified
Next steps
See how Ascensions fit alongside passives, or start from the Room Battle Beginner Guide.
FAQ
Common questions about this topic.
What are passives in Mochi Room Battle?
Passives are run upgrades chosen during a Room Battle run. Per the official update, they can completely change how your room performs.
When do I choose passives in Room Battle?
Passives are chosen throughout a run — the announcement groups them with Ascensions as run upgrades. Exact choice timing is not published yet.
Are Room Battle passives the same as sticker bonuses?
No. Stickers grant passive bonuses in the main collection game; Room Battle Passives are run-specific upgrades for battle runs.
What is the best passive in Room Battle?
No best passive is published. The passive list and effects are still being verified, and balance is subject to change.