This addon will make the swamp biome is much more dangerous for walking, because here you can stumble on Archmage, which is a pretty strong boss. Though the wizard and similar to Santa Claus, You don't want to approach him without good equipment and weapons. In a battle with a mage calculate every move, because the old man in store many surprises. If You get too close to the boss, it will shrink and try to escape.
INFO
COMMUNITY