Traveling Through Another World Starts with Forming a Mixed Tribe

When he woke up, Su Yuan appeared in a cave. In front of him was a man with elf ears. There are no countries, no cities, just tribes. There are orcs, elves, and even dragons here, but no humans. "Is there a fire here?" "Yes." The person in front of him made a fire directly from the palm of his hand. There is still magic in this world. "Are there any guns here?" "Gun?" ... This is a different world in desperate need of technology!