"Cough…Cough…"
Kevin's coughing fit started right in the middle of him organizing the stack of papers that were sitting in front of him.
While he was protecting his mouth with his hand, he became aware of a wet feeling in his hand. When he looked up at his hand, he noticed that blood was dripping down the spaces between his fingers.
He quickly removed his hand from his mouth.
'It looks like this is a lot more severe than I had originally thought.'
This was the price that Kevin needed to pay in order to seal an entity that stood at the very pinnacle of the world, or, to be more accurate, the universe.
It should come as no surprise that sealing such a person would result in significant drawbacks and injuries; Kevin was suffering as a direct consequence of his actions.
He had long known that something like this would've happened, and he didn't regret his actions.
"Pftt.."