The concept is wrong. They have shown Indian yoga sutra as a devil( Lilith) worship process. It's other way round. The whole concept is misleading. Acting was good by everyone though.One can realise creator or God or universe once the chakras r opened especially heart chakra. Without guru, if u do ,the energy flow is uncontrollable n one might die or go mad.So the writer of the series is I'll informed or didn't do the ground level research