PCPS4Xbox One Monster Hunter World: Iceborne expansion ‘Acidic Glavenus’ gameplay A look at the Glavenus subspecies in action. Capcom has released a one-minute gameplay video of new Monster Hunter World: Iceborne monster Acidic Glavenus. Acidic Glavenus is a subspecies of Glavenus that boasts more precise control of its sulfur-coated tail blade and corrosive sulfuric acid debuffing abilities.Monster Hunter World: Iceborne is due out for PlayStation 4 and Xbox One on September 6, and for PC this winter. Read more about the expansion here. Watch the footage below.