Leatherback sea turtle and large size, leatherbacks are able to maintain high temperature differentials compared to the surrounding water. Adult leatherbacks have been found with core body temperatures that were above the water in which they were swimming. Leatherback turtles are one of the deepest-diving marine animals. Individuals have been recorded diving to depths as great as . Typical dive durations are between 3 and 8 minutes, with dives of 30–70 minutes occurring infrequently. They are also the fastest-moving reptiles. The 1992 edition of the "Guinness Book of World Records" lists the leatherback turtle moving at in the water. More typically, they swim
Creature of Havoc languages and elven magic. The player begins the adventure as the "creature of havoc" of the title, an unidentified, violent beast with no concept of who or where they are. The creature gradually recovers the ability to reason and communicate, and must learn what has happened and why. Because the creature cannot make its own decisions, it is governed by instinct. Once it finds the Vapour of Reason, it is able to make choices. The creature proceeds through the dungeon, killing a number of adventurers before finding the Vapour of Languages, which allows the creature to understand what others are