MTL - Sword Slaying The Heavens - Chapter 824 that's okay

In his past incarnation, Lu Xuan was the youngest Celestial Lord that the universe has ever seen!
An accidental rebirth brought him back to a thousand years before, where the Earth had just begun its spiritual reawakening. When he stepped onto the way of cultivation for a second time, he swore to rewrite all injustices suffered in his past life, and defeat all enemies that dare stand in his way!
Let invincibility be his cultivation and the path he treads. In this life, it is his destiny to be invincible!

“Chief, it’s bad; our people are injured! Hurry, take them to the Divine Tree!”“Chief, it’s bad; our people are on the brink of death, about to perish! Quick, to the Divine Tree!”“Chief, it’s bad; our people have just passed away! Quickly, to the Divine Tree, and do not let the body grow cold on the way!”Reincarnated as a frail locust tree, Ji Yang merely wished to bask in the sun each day, gaze upon the moon, and live a leisurely life.Yet, years later, as Ji Yang looked down upon all beings, he suddenly realized that this world lay upon his roots and within his shade.And that initial small clan, unbeknownst to him, had its name resound through the heavens!

The story is about a a hitman, Who dies because of his own recklessness and transmigrates into a game he used to play after his retirement as a hitman.I'm not gonna spoil any further, but i might answer few of your questions.Is MC overpowered?Nope, he'll become strong over time and all battle he'll fight will be because of his effort and techniques.Is there magic and adventure?Yes! It have both magic like normal isekai with adventure and fighting with monsters and many other things. There are other important things like “Essence Stone” But let's talk about it in the chapters.There will be harem?Not really, He will be in contact with many beautiful female and males but one waifu but i haven't decided yet.All i can say is, give it a try, I'll try my best to make it worth your time.

Jian Wushuang was reborn in adversity. In order to get his revenge, he began to cultivate Heavenly Creation Skill. With the help of the Heaven defying cultivation method, Jian Wushuang gradually grew into a peerless genius from an ordinary practitioner. With a sword in hand, no one is his match. Using his extraordinary Sword Principle, he killed all his opponents and eventually became number one Sword Master from time immemorial.

- Description from Novelupdates