Zupapatli governs hatred, betrayal, revolts, envy, aggression. All of these can be used to destroy, destabilize, weaken and defeat enemies.
Zupapatli works to create feeling of defeat, to create fear for no apparent reason, to create uncontrollable fear, to generate hatred between two people, to cause attack of rage in named person, to cultivate latent phobias, to create exhausting environment, to create troubles, to generate hatred between two people, to generate conflicts between group of people, among other things.
This is the branch of the Aztec priestly magical system that works with demons.
This is the ancient Native American magical system being brought up to date.