question #3 Sahih Muslim 211, Book 1, Hadith 420 : What can be inferred about the severity of punishment in Hellfire from the description of the least tormented individual?

Verily, the Messenger of Allah (ﷺ) said: The least tormented of the inhabitants of the Fire would be he who would wear two shoes of Fire and his brain would boil on account of the heat of the shoes.