Regal Sun Sword

 is one of the Weapon Skins available in Brawlhalla. It is exclusively available as a Viewership Reward from the Spring Championship '21 - Week 2 track from April 30th - May 2nd, 2021.

Trivia

 * On the Viewership Rewards widget, this weapon skin is erroneously named "Sword of the Regal Sun".