I would say tense and uncomfortable because "it was undoubtedly hot" "he began to sweat" "began to throb in his ears" the sweat and heat makes it very uncomfortable also, the rumbling and throbbing sound makes it tense.
hope this helps :D
Sita; she even threw herself into the fire to prove her virtue and purity
Details will be the answer....
Its like trying to talk your way out of something