He invented spinning wheels for winding ropes, machines for shearing wool, conical mills for pounding dye, horizontal turbines, pulleys, and all sorts of winches. He also designed blueprints for digging canals, modifying waterways, improving soil, building reservoirs, and large-scale machinery powered by water.

He even disregarded religious prohibitions, personally dissected more than 30 corpses, and was the first to discover the fetal growth process in the mother's womb.

This exceptionally talented man's groundbreaking research was completely ignored because secular rulers were preoccupied with power struggles and the pursuit of the unusual. While wandering in Tyre, the Church of the Father labeled his science as "sorcery" and ostracized him, making it difficult for him to survive. Left with no other choice, he traveled eastward, staying for five years in the ancient holy city, the birthplace of the Orthodox Church.

After the "Catastrophe of Truth" occurred, Elijah, having received the news, rushed back to Terrence from the ancient holy city and found Tristan of the Church, requesting to see his teacher, Terence. Although the latter refused the request, he suggested that Elijah go to Twilight Town and also wrote a letter in advance to deliver to Ulysses.

“How could we possibly see the Holy Son so easily?” Ulysses rubbed his forehead, shaking his head. “If Dion were still in office, we might be able to recommend you to the Knights’ headquarters, but now…”

Elijah was silent for a moment upon hearing this, then looked up at a huge building under construction in the town center. After observing it for a while, he asked Ulysses, "What are they building over there?"

The latter followed the former's gaze and replied, "Muxi Cathedral."

Elijah nodded and said, "I would like to meet the architect of the cathedral."