Effect
When the attached card is played, Carrocarro (the trolley/cart) is summoned and performs a bonus attack. As a Rare gem, it adds the Carrocarro's unique attack on top of any card it is attached to. The Carrocarro has its own damage behavior and may vary in range and number of hits depending on the situation.
Unlock Condition
The exact unlock condition is unknown. It is believed to be unlocked by completing a specific run or fulfilling a certain in-game condition.
Best Cards to Attach
Effective on any attack card. Particularly useful on high-frequency play cards or cards where extending the attack coverage is beneficial. Builds that include Carrocarro-related arcana or synergies will find this gem especially powerful.
Tier
Tier B+ — A Rare gem that enhances offense through additional summoning. Approaches Tier A value in Carrocarro-synergy builds. Broadly useful as a general bonus damage gem.