Ryuza caught hold of a knight and trained his sword at his face. A bolt of blue lightning shot from his sword. The electricity ran through the hapless soul's body, torturing him before Ryuza plunged his sword through his heart. The other knights who witnessed the gruesome scene were reminded of Ryuza's terrifying command over lightning, and resigned themselves to their deaths.
Ryuza is a place with a very small population in the state/region of Parnumaa, Estonia which is located in the continent/region of Europe. See Wikipedia
It could also mean Hikari Ryuza Bujutsu which is a type of martial arts. In modern usage, bujutsu, meaning martial/military art/science, is typified by its practical application of technique to real-world or battlefield situations. It may be difficult to delineate the differences between budō and bujutsu. Sometimes, the differences are considered historical; others cite differences in training methods, training philosophy, or emphasis on spiritual development.
In modern usage, bujutsu, meaning martial/military art/science, is typified by its practical application of technique to real-world or battlefield situations. Budō, meaning martial way, has a more philosophical emphasis.