Sam felt a bit overwhelmed thinking about all of this.
On top of that, he started feeling the raging hell's corruption in his body. He could feel the energy running rampant and hurting every single cell in his body. Every body part suddenly became painful to extreme.
They also became very sensitive.
In fact, as he is walking, his body is hurting with every step and his feet felt like they are being pierced by a thousand hot knives at the same time.
He gritted his teeth and endured the pain as he slowly reached the city, even though it would have taken much lesser time if he used his spiritual energy.
But he didn't do that, because he didn't want to find out what will happen, if he uses his energy with all the corruption running rampant. With the way things are, he only wants to use the energy whenever it is absolutely needed, which he assumed is going to be a lot.
