Welcome back, mighty Mage! News of today: The almighty Lord Of Chaos is coming to visit sometime in the near future. Raise havoc in the land of light!
So long, powerful spellcaster. Hope to see you again very soon. There is still a lot of light to extinguish.
Welcome to the Mage Of Darkness guild. Hope you will enjoy your walk on the dark side.
You traitor! Leave this great guild? Bah! Who needs you anyways. You wimp!