Marine mammals and sonar concern, but very little definitive information was known. In 1995 a comprehensive book on the relation between marine mammals and noise had been published, and it did not even mention strandings. In 2013, research showed beaked whales were highly sensitive to mid-frequency active sonar. Blue whales have also been shown to flee from the source of mid-frequency sonar, while naval use of mid- and high- frequency side-scan sonar was deemed 'the most probable cause' of a mass stranding of around 50 short-beaked common dolphin ("Delphinus delphis") on 9 June 2008 in Falmouth Bay, Cornwall, UK. There was anecdotal evidence from
Creature of Havoc elf, the original thief of the Vapours, who the creature can extort for information on how to access the "Galleykeep", Marr's flying vessel. Aboard the "Galleykeep" Marr reveals the creature's identity and demands that he surrender Grog's box, which contains the Vapour of Elven Magic. If the creature is able to defeat Marr by destroying his portal, the necromancer is banished from the world of the living and the creature reverts into their previous human self, returning to his position as commander of the "Galleykeep". If the creature fails, Marr takes the vapour by force and it is implied that