Hällas is a Swedish band known for their unique blend of progressive rock, hard rock, and heavy metal influenced by the sounds of the 1970s. Formed in 2011 in Jönköping by Jesper Nodbrant, Tommy Alexandersson, and Kasper Eriksson, the group is now based in Linköping. They describe their music as "adventure rock," featuring epic storytelling centered around a knight named Hällas who journeys through a mystical, apocalyptic medieval world ruled by powerful seers and tyrants. The band stands out for their imaginative lyrics and nostalgic, yet distinctive sound.