Deathgasm

"Deathgasm" is a 2015 New Zealand dark comedy horror supernatural film written and directed by Jason Lei Howden in his feature directorial debut. The film stars Milo Cawthorne, James Blake, Kimberley Crossman with Sam Berkley and Daniel Cresswel. After the institutionalization of his mother, teenager Brodie is forced to live with his Uncle Albert in Greypoint, where he finds solace in metal music with his friends Dion and Giles. When Brodie meets another metal enthusiast named Zakk, they form a band called Deathgasm and unwittingly unleash dark forces that possess the nearby populace, leading them on a journey to undo the summoning before it's too late.