Minerva finished explaining everything Sol need to know regarding his punishment, she did not tell him more than he needs to know.
She told him that he would need to get to the temple in one month so she could send him to the underworld, if he was late or did not come to the temple then Vulcan would send his people to kill him and she could not intervene.
He could bring anything he needs to the underworld as long as he could carry it on his body, and he could not bring anyone else with him.
If he could bring other then he was planning to ask Nerodia to accompany him, she might refuse at first but he would be able to convince her to come as her life was tied to his life, it would do her no good to let him went alone to the underworld and died along with him without able to guard her life.
"I bet she would beat me up again," Sol lamented his fate, it was his own fault that he offends Vulcan, he should have kept his cool.
