The rarity of Seaborne Reprisal is Mythical, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
Seaborne Reprisal is a skin for Kunkka. The skin was added to the game on May 17, 2017, it was created by Yestar.
Seaborne Reprisal is currently one of the most popular skins, but it is rarely seen in the game due to its high price.