A Gyrinx resembles a large Terran domestic cat, with very thick and fluffy ginger or orange fur and bright blue eyes. They can grow up to a metre in length. Gyrinx are not truly sentient as such, but they have an astounding ability to empathise with other creatures, forming a mental bond with their owner which is comparable to true friendship. This mental empathy is of great benefit to the creature's owner, whose own speed of thought and action are actually improved while the Gyrinx is in close proximity. What benefit the Gyrinx obtains from the relationship is unclear, but there is plainly some deep-seated need being fulfilled, because an owner-less Gyrinx will actively seek out and adopt another sentient creature. Oddly enough, Gyrinx show a slow metabolic change so that they can come to