Avoid Yandere Constellation - Chapter 127:

[Beef buns: Can effectively replenish physical strength, enhance fitness, and are safe to eat.]Hungry Tain Lin looked at the cow dung in front of him and couldn't help but fall into contemplation.Is this cow dung or a beef bun?To eat, or not to eat? This is a question.

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

Traveling to the wizarding world, Eli found that he was an Eternal.

Life is infinite, life is immortal.

“What? The talent is very poor, then I will meditate for ten years, centuries, and thousands of years, and I can always meet the promotion requirements.”

“This skill is hard? Oh, let me study it for decades to see if it’s really that hard?”

“Consuming life force, improving mental force, and this kind of good thing.”

“The enemy is here? Oh, let me find a place to hide for a thousand years, until his lifespan is exhausted and his mental power dissipates, and then I will come out again, free and endless void.”

…

This is the story of an immortal who lives in the wizarding world and then kills the endless world.

- Description from novelbuddy

Grade Three Ironclad Battle Demon Ant (extremely rare species), with a lifespan of 30.5 years, possesses special abilities (immense strength, swiftness, armor-piercing, soul-eroding poison, moderate intelligence +, possesses mid-level carapace, demonization; in a demonized state, its speed increases fivefold, attack strength tenfold, defense fivefold).

Puppet Worker Ants can capture creatures of the same grade or lower.

Elephant Trunk Soldier Ants can release chemical substances to attack enemies…

(Main features include cultivation, breeding, insect taming, and cultivation.)