Hades is the king of the underworld, He presides over funeral rites and defends the right of the dead to due burial. He is the god of the hidden wealth of the earth, from the fertile soil which nourished the seed-grain to the mined wealth of gold, silver other metals and jewels, he is over 7ft tall with broad shoulders and muscular physique

He feels the presence of a living mortal in his domain, there shouldn't be any living being in the underworld

What's this...a mortal in my realm...