Elf Continent: Ledus

Nine major myth systems. An elven continent. The ancient aboriginals constructed a copy of the secret realm and didn't know why they had such legendary power. The protagonist, a Druid, begins to leave the small town. As an aborigine, he lives in a cruel, 1800-like era in the United States. He is about to start assets, management, dungeons, and cultivation, thereby starting the life of the strongest mecha master step by step. There will be a lot of material in this story that hasn't been available before. Items, as well as creatures and mechas that combine various items.