Complex sentence: Naturally blessed with arcane abilities, Kaervek has attempted to dominate the Burning Isles for years, but the presence of many powerful entities has left Kaervek a challenger rather then a ruler.
Split into simpler sentences: Naturally blessed with arcane abilities, Kaervek has attempted to dominate the Burning Isles for years. But the presence of many powerful entities has left Kaervek a challenger rather then a ruler.