England become the world richest and strongest country with the help of Hellsing. Echo, besides doing a job as a leader of Burial Agency. He also becomes an inventor and helps England become the most technologically advanced country in the world. With all the books inside his GoB that he reads all of it following Index from to aru series, he becomes the World treasure as the modern world Einstein that helps the world technological advances by a few decades.
Echo Reincarnation Journey Through Multiverse
Anime & Comics · AliefLucas
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