Rhino Boxer is one of the four skins released under the Urban Edition of the Beast Fighters offer. It could be individually purchased with game coins in January 2017.
Rhino Boxer could be purchased in the Skins Shop under the ‘Beast Fighters’ tab for 1990 coins. This skin was available for a limited time and may not be available for purchase in the future.
Details of this offer can vary depending on location, platform or time.
Note: The Urban Edition of the Beast Fighters offer has been released multiple times after the initial 2017 debut. Additional limited time releases were in mid July 2018 and then in early July 2020. The price for Rhino Boxer increased to 2100 coins in the most recent release.