People couldn't preach their beliefs in the nation if they couldn't open the gates.
Luther believed that the mystical realm was an excellent item that would help them move into the elf clan. After all, the elves had no reason to refuse it.
This was the first and the most important step which would eventually give them the opportunity to obtain the treasures that they wanted in this rich and beautiful land which had never been exploited before.
I'll amaze these ignorant elves with the great advancements that we have achieved on the continent. Luther squinted his small eyes and smiled. He seemed to foresee the scene in which this rich land gradually submitted to them in St. Heinz' subsequent plans, and the elves called for the God of Radiant Light Judgement. "This is our best training method for guards, and we've designed and optimized plans to handle all kinds of emergencies. Now, is there anyone who wants to try it? I'm sure you'll like it."