Legendary questline you must complete to get your 600 ilvl cloak
Wrathion fight ilvl: 530 assasination rogue
No tactics.. just zerg.. really easy. Try to ignore adds, interrupt his cast and move
My talents: Leeching Poison, Combat Readiness, use Smoke Bomb, Evasion, Recuperate
http://eu.battle.net/wow/en/character/%D1%8F%D1%81%D0%B5%D0%BD%D0%B5%D0%B2%D1%8B%D0%B8-%D0%BB%D0%B5%D1%81/%D0%A5%D1%8C%D1%8E%D0%B3%D0%BE/simple