R
Accumulation
What is this card?
The Accumulation skill card (R · Anomaly · Active) in Gakuen Idolmaster: cost, effects and trigger mechanics during Produce.
How to get this card
Picked up during a Produce run (lesson/audition/shop) — not tied to any single P-idol.
The upgraded (+) version of this card
Card mechanics
| Plan | Anomaly |
| Card type | Active |
| Cost | Costs 3 |
| Actions | Full Power charge +2 If in Preservation stance → Hold this card If in Full Power stance → Score +20 |
Other Anomaly cards
FAQ
Where do you get Accumulation?
Picked up during a Produce run (lesson/audition/shop) — not tied to any single P-idol.
Is Accumulation a strong card, and when should you use it?
This is a R-rarity card in the Anomaly plan. Costs 3.
What's different about the upgraded (+) version?
The upgraded (+) version of this card is Accumulation+, same Anomaly plan and R rarity — with stronger effects, see that card's Mechanics table.