quisque suos patimur manis could thus naturally mean 'each suffers those infernal agencies which are his due'. Not all the infernal powers afflict each individual.
Onians argues that Manes denote individualized underworld agencies of punishment and purgation assigned to each soul according to its particular deserts, not a generic collective of the dead.
, The origins of European thought about the body, the mind,, 1988thesis