[Machine Translation] All I seek is strength...! A wizard who was once called a "sage" is reborn in the future in search of the best crest for magical combat. However, in the future, where magical theory has degenerated, the desired emblem is called a "disqualified emblem" and is despised. It was the demon tribe that distorted the information in the sigil and degenerated the magical theory. Matthias is engaged in a battle with the demons who are trying to destroy human beings! In order to create a weapon using "extraterrestrial crystals" extracted from the power of demons in the universe, he takes a ship of the Shipbuilding Research Association of the Royal Second Academy to the sea area where special metals are produced! The ship successfully defeats the dragon, the master of the sea area, and mines the gemstones! Finally, they will make weapons, but the refining of the ore is also very difficult...? To become stronger, I will overcome any difficulty...! A very popular otherworldly "crest" fantasy! Includes a short story newly written by the original author!