Damn, I Awakened With A Horror System!

...

Resting and at the same time tailing the horde of zombies for a couple of hours Leo finally manages to heal his soul. Bringing his health back to maximum.

Sighing deeply in relief, Leo still didn't abandon his plan to kill some of the zombies within the horde.

Although it is quite dangerous, in able to save his hope and to gain strength(Exp) he strengthens his resolve and approaches the zombies at the back of the horde.

This time, learning from his previous mistake he silently activated his invisibility skill in advance before floating cautiously toward the marching zombies in the distance... As for going/hiding to the ground before activating his skill "Mist of Illusion", Leo already tried that but unfortunately, it never worked.

Although he could still activate the skill underground, the gray mist only remained underground (couldn't penetrate the ground) not affecting the zombie above ground.

Cautiously approaching the zombies on the back of the horde while maintaining a close distance toward the ground. Ready to slip under it if someone attacks him, Leo slightly at ease finally releases his "Mist Illusion" skill.

Shhhh...

At the back of the horde, a sudden cold white thick mist appeared out of nowhere, quickly enveloping an area and lowering the vision of the zombies within.

Grunt?

grunt...

Grunt!!

The zombies as usual, brainless, looked at the surroundings in confusion for a moment before continuing forward.

Soon, 10 quick seconds passed by. Leo's mana pool already decreased at an alarming rate. 0.2 mana per second due to using two skills consecutively!

Even though his mana has already been reduced by 3 points Leo seems not to mind. With his "Mist Illusion" skill being upgraded to level 3 the strength of the skill increases by a good amount.

Hehehe, just a little more...

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In an instant, another 30 seconds passed by. As Leo started to get confused as to why there were still no changes toward the zombies inside the mist, a sudden thud sound entered his senses.

Thud... Splash, splash...

"What the heck?" Leo's imaginary eyes widened as he stared at the zombie on the ground meters away from him. Its face carried a silly smile as it suddenly moved like a fish out of water, causing the zombie on its back to trip over it and fall to the ground.

Like a domino effect. The zombies within the "Mist of Illusion" started to act strange.

One of the zombies suddenly dances in hip-hop, while one of the zombies detaches its dangling arm on its shoulder just to use it like a sword, stabbing the other zombie with his bone before eventually stabbing its head.

Heck, he even saw someone punching their fellow zombie like he was punching a punching bag.

Ding!

[ Congratulations upon killing a Level 3 zombie! ]

+5 Exp!

[ Congratulations on killing a monster on your own for the first time! ]

+ 1000 horror points!

"What..." Leo's mouth created a big O-shape upon seeing the strangeness that was currently happening around him. The strangeness quickly escalated and created chaos within the skill.

Causing more and more zombies to fall deeper under the effect of the skill!

***

Ding!

[ Congratulations upon successfully killing a Level 4 zombie]

Ding!

[ Congratulations upon assisting in killing a Level 3 zombie! ]

+5 Exp points!

+3 Exp points!

Ding!

[ Congratulations upon upgrading to level 3! ]

Leo who was watching everything unfold in front of him, suddenly came back to his senses when the familiar metal hitting metal rang inside his head.

"Did my level increase?", Surprised, Leo planned to open his interface to see the increase in his stats when suddenly, a dangerous feeling gripped his soul.

Not Good! I didn't notice that I ran out of Mana!

Shocked upon noticing that his "Invisibility" and "Mist of Illusion" skills deactivated on their own. Leo who was feeling quite empty, immediately rushed and dived toward the ground.

Just as he dives toward the ground, someone or something big hits the concrete above him, leaving a huge pit in the ground.

-2 health.

"F**k how could he/she be fast!?", Leo groaned in pain as he rushed to the building a hundred meters away from the horde.

Emerging from the ground, Leo first scanned his surrounding area before coming out. Looking at his black smoke color that was reduced by a little, Leo sighed heavily.

'I should carefully watch my mana consumption. If I'm in the middle of the battle and lose all my mana without me noticing it, I might... really die.'

"Still, who the f**k is that monster that always hits me!' Leo curses inside his head.

Gritting his teeth in anger, Leo prayed that he wouldn't know who had attacked him just now or else...

Sigh, this couldn't continue, my mana consumption is too much... Even my 20 mana points couldn't last long after activating two of my skills.

After pondering for a while, Leo decided to directly upgrade his "Invisibility" to Level 3 and his "Mist of Illusion" to Level 4.

He remembered that upgrading his skills not only increased their strength by amount but also lowered their mana consumption after activating!

...

Ding!

[ Do you want to upgrade your skills "Invisibility" to Level 3 and "Mist of Illusion" to Level 4? (Accept/Declined) ]

"Accept!'

-550 horror points!

Ding!

[ Congratulations upon successfully upgrading your skills "Invisibility" to Level 3 and "Mist of Illusion" to Level 4! ]

***

Ding!

[ Invisibility (Level 3): Enter the Invisibility mode in exchange for a meager amount of mana!

Activation: 0.1 mana per 1.5 seconds.

Upgrade cost: 200 horror points!

Note: A must-skill for a ghost! ]

Ding!

[ Mist of Illusion (level 4): Release a constant stream of white fog in the surrounding area that obstructs the vision of beings within the area of effects.

Beings who inhale the fog for a period of time would start hallucinating ( The effect depends on how high the soul power of the host is! )

Activation: 1 mana. An additional 0.1 mana would be consumed every 1.5 seconds if the skill is still activated.

Upgrade cost: 800 horror points.

Note: The user could partially control the illusion based on what the user wants, but it would cost Mana! ]