The diadochi were the 26 generals of Eurykrates who divided the Grand Empire of Hellea between themselves after the hero-god an dconquerer was slain. Eurykrates' death left matters of succession unclear, for every one of his generals claimed they had been promised all or part of the empire in exchange for their service. Each quickly turned to using the forces still loyal to them to carve new realms out of the only briefly united peninsula, becoming the diadochi.
In most of Hellea, these successors, or diadochi states, squabbled amongst themselves, nearly all eventually collapsing to internal strife and divisions. The sole exception was in Iaramnae, where an alliance between three of the diadochi led to a stable enough government that it has been preserved to the modern day.