Some creature or creatures regularly (sunrise and sunset, summer and winter, lunar phases) or irregularly (solar and lunar eclipses, eschatological events) attack the luminaries or shade their light
The transformer walks along coming across different persons and creatures, transforming them into birds, animals, stones, shrines, etc. (or transforming monstrous animals into present day ones) and introducing cultural norms, landscape features, etc.
During or before the world cataclysm (deluge, darkness) or (Suruí) in particular place at night, household objects and/or stones, trees, domestic animals turn into wild beasts and monsters
Hero comes across different creatures or persons who do not recognize him. Everyone tells that he is waiting for the Hero to kill him. The hero easily kills or transforms them himself
Person is suggested to fulfill tasks that are mortally dangerous or cannot be fulfilled without supernatural helpers or capacities. The person fulfills the tasks and remains alive. A contest between persons has form of a competition or game in which the loser is deprived of his status or life
An ugly, old, lazy, etc. woman or (in Chaco) a male trickster comes to man under disguise of his wife or bride who is driven out, confined to the underworld, killed, etc.
Demons (or one of them) attack people and return to their den (usually a cave or tree hollow). People make suffocating fire around the den killing most or all of the demons
Person discovers that somebody steals game or fish from his trap or devastates his garden. He or his guards catch the thieves who prove to be (the first) women or the thief is the water being whom the hero lets go after receiving a woman for ransom