Tereon

A common substitute the Srigs have for horses, the Tereon is an aggressive creature in the wilds of Laitheran. Mutated from some of the last surviving wolves, the Tereons are as big as horses and just as quick. Like the Saazi, the Tereons did contribute to the extinction of Laitheran's wolves, but certainly not as much. Tereons stay around mountains, so there's not much conflict between the two similar creatures. Unless if a Saazi is in a mountainous area, which happens from time to time (The Mountainous Saazi come to mind). The Tereons typically stay with themselves in the mountains, and they stay in packs of about six. Even so, the Srigs are the only races capable of domesticating them (This only applies in the Medieval Era. The other races were able to tame them after the Medieval Era, but they were not of much use since the other races had already domesticated horses).

Physiology
For a creature mutated from wolves, the Tereons are quite large. They're as large as horses, and some are even bigger than them. The Srigs prefer the Tereons over horses due to their size and more offensive capabilities. The Tereons possess razor-sharp claws and teeth, which can tear through flesh easily and efficiently. The fur of the Tereons has a range of colors, which are made up of black, white, and brown. The fur color of a Tereon is distinct from where they come from. A white colored Tereon is usually one originating from high up in the mountains, while brown and black Tereons traverse the lower parts of a mountain range. Their eye colors range from orange, blue, brown, and black. The eye color of a Tereon is based entirely on genetics so it doesn't matter where the Tereon comes from. Tereons are master predators when it comes to their speed. Sometimes faster than horses, the Tereon strikes terrifyingly quick, especially during a battle between armies. A battlefield is also where the Tereon can live out its carnivorous diet, unless if its rider has other plans of course. Tereons themselves live for about 25-30 years, sometimes longer depending on the area or if they're domesticated.