Nightfury is one of the three skins released in The Blackest Friday offer. It could be individually purchased with game coins in late November 2020.
Nightfury could be purchased in the Skins Shop under the 'Blackest Friday' tab for 2500 coins. This skin was available for a limited time and may not be available for purchase in the future.
Details of this skin may vary depending on location, platform or time.
Note: The second edition of The Blackest Friday offer was released again for a limited time in late November 2021. The price for Nightfury remained at 2500 coins for this release.