Four groups of Zygons attempted to make Earth more like Zygor: those who arrived in the 12th century (TV: Terror of the Zygons), those that arrived in the 16th century and plotted to invade in the 21st century (TV: The Day of the Doctor), those that arrived in 1909 (PROSE: Sting of the Zygons), and those that arrived in the late-20th century. (HOMEVID: Zygon: When Being You Just Isn't Enough)
In World of Warcraft, each character has a unique set of skills and abilities that define their role. For example, magicians –are powerful spellcasters, who use supernatural forces to attack the enemy from a distance, but in the melee – are extremely vulnerable. These features determine magicians’ strategy: to keep their distance, do the most damage and hope to kill monsters before they get to them.