Reaching the first floor the first thing I smelt was blood and rot to such a terrifying degree that I almost vomited. Then I looked around and saw a few mangled corpses on the floor well calling them corpses was a bit of a stretch since they were more like mangled pieces of meat with a limb or an organ here or there. There was an entire wall of glass doors, through which I saw hundreds of undead thralls walking outside but strangely they didn't react to seeing me so I guess the glass is opaque from the outside. Shaking my head I tried to block out the nauseating smell of rot and activate [Aura Vision]. I focused my ability to the first floor and soon I found dozens of red auras moving around.
Completing my search I ran towards the first group of thralls, as I ran in their direction the nauseating smell grew more intense. These damn thralls, it's only been two days and they made this place smell worse than a dump. I soon found my prey, there were six of them in total and they were devouring a corpse. Walking into the room, they immediately turned their hungry gazes on me while I took my machete from around my waste. They lunged at me like feral beasts bearing there fangs and claws but I wasn't afraid. I jumped backwards into the corridor and forced them to come at me through the door one at a time.
[You have slain a level 5 undead thrall. You have gained 50 exp.]
It wasn't hard to kill them with my upgraded physique and their lack of Intelligence made it even easier as I decapitated the first one with a swing of my sword. The second one lunged at me as well but I kicked it back into the room causing it to crash into another thrall. The third thrall came at me and I stabbed it in the throat and then slashed the blade horizontally severing an artery causing black blood to spill out like a fountain. I finished the job by decapitating it causing it's already lifeless corpse to fall on the ground. The fourth one lunged out the corridor aswell but I spun around and decapitated it easily. By now the last two has gotten onto their feet as well but I dealt with them as easily as the last four.
[You have slain 5× level 5 undead thralls. You have gained 250 exp.]
[Congratulations you have gained 2 levels.]
[Name: Colin
Race: Hafling
Level: 3/10( 240 exp next level)
LP: 80/80
DP: 8/8
Traits: [Will to Live]
Skills: [Regeneration], [Supernatural Physique], [Supernatural Senses], [Aura Vision]
I have gotten powerful. I remember thinking while clenching and unclenching my fists. I flicked the blood off my sword and then went to the next cluster of red auras and I was surprised when the stench started getting worse. I didn't think it could get any worse than it already was. It got so bad that I could barely breathe and I knew that I couldn't fight like this so I tried something. I closed my eyes and tried to concentrate, I didn't take a deep breath for obvious reasons. Ever since my evolution into a halfling I could feel this elusive dark feeling inside my body pumping around my body like blood. I instinctively knew that this was the demonic energy that the interface mentioned and I tried to forcefully control it but it wouldn't do anything so I tried a different approach. Instead of forcefully controlling it, I concentrated on my nose and imagine blocking out the putrid smell that infested the first floor.
[Congratulations, you have unlocked the Trait, Senses Manipulation.]
Even now I can't believe that worked but it did. With my sense of smell blocked off I continued my journey towards the next group of thralls.