Used for Reprisal Pact.
A golden coin, with imprinted image of two swords behind a shield, encompassed by laurel wreath.
You can obtain Reprisal Coin from Point rewards and from 3 Back-to-back wins during God of Steel, PvP Event 41.
After the event, they are also available as loot from mob battles.
You can use Reprisal Coin to draw Reprisal Pact to get powerful M and L familiars with powerful counter attacks.