Everyone Is Fleeing Famine, My Items Can Be Synthesized

Come to the Don't Starve world and awaken the ability to collect and synthesize.

Tang horizontal sword + mantis blade arm = sharp Tang horizontal sword

Sharp Tang horizontal sword + dragon scale = Tang horizontal sword with dragon power

Tang horizontal sword with dragon power + dragon horn = Dragon Slaying Sword?

...

Synthesize wood to get a campfire.

[Campfire (green): Firelight to ward off evil spirits, wood fuel, cooking]

Campfire + RV = Wood fuel base vehicle.

Wood fuel base vehicle + tank = mobile base.

Mobile base + helicopter (or jet) = sky fortress?

This world has experienced a century-level disaster. Some people have been sleeping in the shelter for hundreds of years. When they came out, they were completely unrecognizable. The water resources in the world have been exhausted for some reason.