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Sengoku
Sengoku is one of the oldest powerful personalty in the One Piece Universe.
He is one of the most respected personalities around the One Piece world.
The reason he is one of the most respected personalities in the One Piece Universe is that
Sengoku is the ex FleetAdmiral . He was the ex Fleet Admiral of Marines which rules most of the portion of the sea in the One Piece Universe.
Sengoku has very good relations with Monkey D Garp who is father of Maonkey D Dragon and Grandfather of Maonkey D Luffy .
He is the servant of the World Government and follows whatever order he gets from the World Government whether those orders are bad or good .
He appeared with Fujitora in a marine ship that was carrying the captured ex celestial dragon Doflamingo .
Sengoku is so powerful that he could even control marines legend Monkey D. Garp when situation demands.
Sengoku is regarded as one of the powerhouse from King of the Pirates Gol D. Roger's era .