Roller coaster phobia combine substantial heights with seemingly insignificant support, as well as free-falls and the illusion of uncontrolled drops. Because acrophobia involves an extreme fear of heights and falling, these conditions could cause someone who is an acrophobic to have an extremely negative reaction to riding roller coasters. Claustrophobia involves two parts, fear of physical restraint and fear of suffocation. The safety harnesses and enclosures on some rollercoaster and other rides are very restrictive, in order to protect the riders from harm. In addition, the speed of these rides can cause air displacement that makes it difficult for riders to catch their
Fear Agent previously attempted to destroy Earth, intend to make another attempt on the planet. Heading back to Earth, Heath picks up Mara, another survivor from the mostly decimated Earth. Heath is sidetracked into joining with a race of seemingly primitive aliens, only to find they are not what they seem. It is revealed that Heath is the lone remaining Fear Agent, following the mass slaughter of all of the other Fear Agents in an unknown incident. Heath then discovers a member of the "primitive" race is planning to betray him and his brethren by giving him to the Dressite Empire, who