im working on a video. The oracles can be used when you need them (need a random direction? NSWE. Need to determine what's the peronality of an NPC like? Get an adjective. They're oracle, useful for solo gaming but also to make things up on the spot. They're improvisation tools, if you don't need them, disregard. The way i play i like to be surprised so often i use the Yes/No oracle to give answers to my players about the environment. The product allows to create a megacity and is meant to facilitate no-prep sessions, hope it helps.