 The period of Zarum's height is not entirely clear, but grey elf sages speculate it was approximately 2,000 years before the Demon Wars that ravaged Western Oerik, or 3,000 years before the present.At some point, the illithids invaded Zarum from a neighboring plane of existence.Though the gith fought fiercely, they were no match for the psionic might of the mind flayers, and soon they were enslaved.