The loa were the spiritual deities in Hajianvoodoo that were said to inhabit a plane known as the spirit world. According to the religion, they took the form of natural phenomena such as storms, and could appear in visions as familiar figures to the person they are attempting to reach. There were to be multiple loa, each varying in power, purpose, and agenda. Grandma Tosh attributed Gabriel Tosh's psionic powers and visions to them.
By 2503, Tosh considered Hajian voodoo to be a dead religion, and with it the worship of loa in the Koprulu Sector.