Wait don’t tell me….. is this a system trope

The journey wasn't so light on our poor protagonist, he almost died about thirty seven times in the last.... Hm...oh, two weeks. He wasn't expecting the fact that him killing every beast he passed would have any potential ramifications. He had happened upon a...….. how do i put this, metric fuck ton of lizard type beasts. He eliminated most of them from the distance, too bad the ruler beast of the area he was in came back from an attack on the neighboring territory. The beast almost killed him leaving him in a sorry state after he finished it and the rest off.

He cooked up the lizard and ate it without any problems, but after he had rested for a few days almost healing the rest of the way up hell descended upon him. The neighboring beasts invade the territory and only finding him and the decimation he left they didn't back down, instead choosing that exact moment to attack. He radiated the lizards aura since he had eaten all of of them in those few days and since he also hadn't bathed since the attack, he still had some of their blood on him.

He got cornered and ruthlessly assaulted from every angle, he just barely cleared the area behind him and escaped before starting to run as fast as he could away. He had to run and heal in intervals, leaving as soon as they began to catch up. He slowly thinned the herd as he continued through with his guerrilla warfare tactics.

That was all until five days ago, several of the last remaining in the group forced themselves to evolve to finally finish him off. They quickly caught up with him, he was barely about to escape with his life after killing one and injuring one more, but there was over 7 left healthy as he attempted to escape.

[Ding]

"What th..." he wasn't able to complete his sentence as the system interrupted him half way through.

[The user has acquired the required combat experiment and part of the demonic trees abilities have been unlocked]

[The touch of death ability has been unlocked, allowing for the user to unlock a class]

"Eh.....Wait don't tell me….. is this a system trope" Han said as he knowingly shook his head knowing it was just like one of those system tropes from the novels he used to read. Even though it was an over used and exhausting tropes, he decided to look at it any way.

Name: Han Elbas

Age: 12

Class: (not yet chosen)

Race: Human

Realm: Energy Comprehension

Abilities

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Touch of death:

The user has touched upon the intricacies of life and death from the many life or death tempering experiences the user has gone through. The user has gained the ability to revive the dead through the use of the world's "breath". Beings able to revive: 5(on the same level as the user).

Han stopped in his tracks after reading this, an epiphany struck him like a freight train, conjuring the translucent "breath" to his hands he called out the skills name. The "breath" turned black immediately and 5 of the monsters he killed five days ago's body ripped them selves from the ground. It was entirely made of bones, the bones were white for a little while, but they soon blackened and started to increase in durability.

[The user has successfully revived monsters killed by them, the class "necromancer" has been promoted to "shadow walker"]

Han opened the system again and selected the shadow walker class. The skeletons evolved from just basic skeleton soldiers, to berserk skeleton warriors. A sword appeared in its hands and a plate male armor attached itself to him.

Han and the skeleton waited for the herd of monsters, when he got a ding again.

[The users skill has evolved into "Embrace of the shadow walker" the previous 5 summon has been updated to 25, and the skill gained an additional effect, allowing the user to save 20 of the summons]

Once the herd had arrived Han took a supporting role, using the bow to attack from the distance and the berserk skeleton to attack the enemies. The more enemies that died, the more berserk skeleton warriors rose from the discarded bodies.

The fight became incredibly easy after the first few revived, he easily finished off the rest of the herd only reviving 20 of the strongest warriors and using the rest of the souls to strengthen the berserk skeleton warriors. He managed to advance 5 of them to the next realm and making large progress into the realm.

After that debacle he decided to rest with only 5 of the berserk skeleton warriors out to heal from the accumulated injuries he had over those few weeks before continuing on with his epic journey.