Circe warn Odysseus about several things. Most well known is the Sirens. She says no man has ever heard the song of the Sirens and lived. She also tells him of the moving rocks that no ship can get through. She also warns of a sea monster and a deadly whirlpool.
Circe warns Odysseus about the Sirens, Charybdis, and Skylla.
the dangers that he would face at sea that is what circe warned odysseus.
Circe's and Teiresias' last prophecy to Odysseus is that he alone will survive the journey. They also warn him against harming the sacred cattle of Helios, which ultimately causes the death of his men.
Circe turned Odysseus' men Into swine.
circe sends odysseus to the underworld
There is no mention of a compass in Circe's gifts to Odysseus.
Before Odysseus could leave Circe's island, she instructed him to journey to the Underworld to consult the prophet Tiresias. There, Tiresias would provide him with crucial guidance on how to safely return home to Ithaca. Circe emphasized the importance of this visit to ensure that he would avoid dangers and obstacles on his voyage.
Hermes warned Odysseus about Circe's magic.
Circe was opening the door of her estate for Odysseus.
Circe turns Odysseus' men into swine.
Odysseus' crew men ask Odysseus to leave Circe's island after a year on her island.
Circe turned half of Odysseus' men into swine (pigs).