From the perspective of the Great Houses, who saw history as a quantifiable string of equations, loa did not exist. However, Faction Paradox rebelled against this formulation by defining history as an ever-changing pattern, and just as shapes can be seen in clouds in the sky, the loa could be seen in time. (PROSE: Weapons Grade Snake Oil)

Godmother Kumo wrote on loa evocation for The Book of the Truce, comparing stage-hypnosis to the Faction's use of ritual to appease, communicate, and bargain with the loa: as long as the volunteer is playing along (whether for fun, to avoid embarrassment, out of a sense of duty, or due to genuine hypnosis), the task will be performed, and the desired action will result. (PROSE: Weapons Grade Snake Oil)