If I Don't Die, I'll Truly Be Invincible - Chapter 25 - A Thousand Jin of Paper, Words Becoming a National Treasure!

In a world where its inhabitants can destroy a city wall single-handedly, the empress has a kirin as her pet, and the imperial palace of Great Xia has a pool containing a dragon. There is also a Sword Mountain where spirit swords occasionally leave in search of a master .

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

- Description from Novelupdates

This is a reincarnation/isekai story, about Matt (later TreeTree), an overpowered tree in a fantasy world that serves as the battlefield for an ongoing conflict between demons and the heroes summoned to oppose them.At first a bystander, over a long period of time, TreeTree will learn all sorts of skills, gain levels, and in doing so, build up a forest, train young subordinates, protect a village, and more.

There was no light in the night, save for the sound of war drums and war cries.

The young man listened carefully, it was the sound of his heartbeat and the flow of his blood.

What lay hidden in the darkness ahead? Is it man, god or……a monster?

There was no such thing as the best road, because the journey beneath one’s feet is limitless!