Helloween joins Mystic Festival 2027 lineup in Gdańsk

The heavy metal band Helloween has been announced as a headliner for the Mystic Festival 2027. The event is scheduled to take place from June 10 to June 12 at the Polsat Plus Arena grounds in Gdańsk, Poland.

Helloween joins a lineup that already includes Faith No More, Watain, Converge, Lorna Shore, and Green Lung. The festival organizers have indicated a shift toward hosting larger acts, despite the event being shortened by one day compared to previous editions.

This announcement follows the release of Helloween’s eighteenth studio album, ‘Giants & Monsters’, which debuted on August 29, 2025, under Reigning Phoenix Music.