Raeos was once under the rule of the Dynis: natives with the ability to populate all of the realms with various species. Peaceful creatures, they were not fully prepared for the invasion of Yarku that struck.
Shell-like hives began to fall from the skies, opening with toxic clouds and spawning Yarku armies all over every island.
Before long, most of Raeos’ species, including most of the breeds of Dynis, had become extinct.
It was discovered by one Dynis, willing to fight the Yarku, that their hives are powered by the natural gems, buried deep within Raeos. The hives have long tentacles, which draw the gems of elemental power up into the hive core, using the magical energy as a fuel for Yarku spawning.
From there, hives can spawn many different Yarku: from the fast and small Tir’iku, to the warriorlike Kur’Iku, and the massive, turret spawning Gor’Iku. No matter the variety, all Yarku are set on one motive; wipe out all indigenous life forms to secure what they’ve claimed as their new home world.