The Mortilus
Mortilus are a type of horse that comes in many variations. The three common Mortilus types are, Mortilus, Armored Mortilus, and Ancient Mortilus. All three can be found on Mortilus Island. All three are considered pack animals, and also have a slight chance to cure poison or use an attack ability while mounted. They also have an energy based breath weapon, and can heal themselves and their owner while not mounted.
Mortilus
The Mortilus is the most basic of the species. It requires a skill of 60.1 to tame, and 3 follower/control slots to use.
Armored Mortilus
The Armored Mortilus is the next in line of the species. It requires a skill of 80.1 to tame, and 4 follower/control slots to use.
Ancient Mortilus
The Ancient Mortilus is the top of the basic types of Mortilus. It requires a skill of 90.1 to tame, and 5 follower/control slots to use. As long as the Ancient Mortilus is alive, it can resurrect you if you are dead, simply by double clicking it while you are a ghost.