Elm phloem necrosis (elm yellows) is a disease of elm trees that is spread by leafhoppers or by root grafts. This very aggressive disease, with no known cure, occurs in the Eastern United States, southern Ontario in Canada, and Europe. It is caused by phytoplasmas which infect the phloem (inner bark) of the tree.he Elm Tree is also referenced in children's literature. An Elm Tree and Three Sisters is a children's book about three young sisters that plant a small elm tree in their backyard. Throughout the years, the sisters begin to realize that the elm tree becomes an integral part of their lives.
Halion. The Obsidian Sanctum is the black dragonflight area of the Chamber of Aspects. The entrance is in Dragonblight [59.3, 49.3] and accessed via a crack in the ice below Wyrmrest Temple. It holds one raid boss, Sartharion the Onyx Guardian, and his three drake lieutenants, Shadron, Tenebron, and Vesperon.
Kael'thas Sunstrider. Tempest Keep is a former naaru fortress in the Netherstorm in Outland. This crystalline fortress is now ruled by Kael'thas Sunstrider, the lord of the blood elves, and dominated by scores of his brethren.he story regarding Tempest Keep was changed accordingly; in The Burning Crusade manual, Tempest Keep was described as a naaru dimensional fortress that did not arrive on Draenor until after its destruction/transformation into Outland.