An Adventure for Heroes Wear Masks. Publisher Blurb: Star Killer is an adventure for 4-6 characters levels 9-11. Star Killer is the final act in the Hyperion Trilogy, although it can be played as a stand-alone adventure. It is preceded by Escape From The Prison Dimension and Material Breach. Previously… Osmo Hyperion, a Telac Or criminal known to the great civilizations of the galaxy as the Star Killer, has escaped from the Prison Dimension in which he was held captive for thousands of years. Many other alien criminals came through the dimensional breach he created in order to escape his planar prison, and Hyperion used the confusion caused by this to escape notice. Now he hides away on Earth, his sights set on the great yellow star Sol…