The track will feature on the deluxe edition of the band's self-titled album.
The Ukrainian prog-metal outfit have released new t-shirt designs to help support their home country.
Twelve new names have been announced to perform at the festival which takes place 11th – 14th August 2022.
VIDEO NEWS: Twelve Foot Ninja Release Video For New Single ‘Over And Out’ Featuring Tatiana Shmayluk
Check out the long form music video for the band's new single here.
'Mediator' is a second taste of the band's upcoming album, 'Wallflowers'.
Headliners Mercyful Hate and special guests Dimmu Borgir will appear at the festival in 2021.
Slayer, The Smashing Pumpkins and more confirmed for Download!