Evolution of cetaceans decreasing. Other historical climate events can be correlated and matched with the genome history of the Yangtze River dolphin as well. This shows how global and local climate change can drastically affect a genome, leading to changes in fitness, survival, and evolution of a species. The European population of common dolphins ("Delphinus delphis") in the Mediterranean have differentiated into two types: eastern and western. According to a 2012 study, this seems to be due to a recent bottleneck as well, which drastically decreased the size of the eastern Mediterranean population. Also, the lack of population structure between the western and
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