In the seventh year of the San calendar, Rooney Elvis used his newly found power, which allowed him to control some of the monsters in the sea, to build a powerful merchant fleet. He then allied with many merchants and nobles and quickly accumulated a huge amount of wealth through sea trade.
A year later, the Elvis family brought a dukedom and a large piece of contested land through the tribute of large amount of wealth to the Luhmann Kingdom's monarch. Then Rooney Elvis personally led forth an army and conquered this territory and became a true duke.
Another year later, the king of Luhmann Kingdom passed away to an illness. Immediately after he passed, the oldest prince and the third prince began fighting for the throne. Rooney led the military in support of the third prince and fought all the way to the capital of Luhmann Kingdom.