Complex sentence: In those myths, Styx supported Zeus in the Titanomachy, where she was said to be the first to rush to his aid and for this reason her name was given the honor of being a binding oath for the deities.
Split into simpler sentences: In those myths, Styx supported Zeus in the Titanomachy, where she was said to be the first to rush to his aid. For this reason, her name was given the honor of being a binding oath for the deities.