By the middle of the first millennium CE in China the notion that the unseen world, while capable of offering respite from the perils of our world, was itself full of danger was shared both by Daoists drawing on earlier local ways of thinking and by Buddhists who incorporated beliefs originating in South Asia. In reality the this-worldly economic success of the monastic establishments of the latter tradition attracted occasional episodes of forced, often violent laicization at the hands of the state, while eschatological ideas drawn from both traditions nourished for some alternative visions of the future that also triggered violent clashes with the authorities. Exhortations to devoutness meanwhile could spur self-inflicted violence, whereas the summoning of demons to injure others was recognised and forbidden in the legal code. As our sources become more plentiful from the end of the first millennium onward, we learn more of the sometimes sanguinary content of popular religious eschatology, while it also becomes clear that the imagery of violence was commonplace in a wide range of religious contexts and that in situations such as those of foreign invasion or political collapse fear of demons could prompt unrestrained and merciless violence against outsiders.