One Piece and Overlord Crossovers
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Overlord of the Seas by PirateRaider reviews
When a boy in the North Blue took a stand against the world nobles, he was chosen to become the new Overlord. Now he's on a mission to conquer the North Blue and put an end to the world government. This will be heavy on OCs and will contain harem and lemons.
Rated: M - English - Adventure/Fantasy - Chapters: 15 - Words: 50,833 - Reviews: 28 - Favs: 170 - Follows: 159 - Updated: 6/24/2017 - Published: 12/19/2015 - OC
Overlord of the Seas, Book 1: East Blue by YinShadow reviews
From boy to slave: Luffy was enslaved at a young age. From slave to killer: Luffy made his first kill, and he liked it. From killer to fugitive: Luffy's fate is sealed. From Fugitive to pirate: Luffy sails the seas after his freedom. From pirate to Overlord: Evil Always find a way. Evil Overlord Luffy, harem.
Rated: M - English - Chapters: 10 - Words: 57,927 - Reviews: 65 - Favs: 259 - Follows: 239 - Updated: 11/1/2015 - Published: 5/31/2014 - [Luffy, Boa Hancock]
The Ultimate Conquerer by AnonLemming reviews
Another Luffy eats a different devil fruit but this take has Luffy becoming slightly more sinister as the story progresses.
Rated: M - English - Adventure - Chapters: 1 - Words: 3,954 - Reviews: 4 - Favs: 31 - Follows: 41 - Published: 2/28/2014 - Luffy
Pirate Overlord by Omega Overlord reviews
Story 2: The Fourth Overlord is plauged by the shadow of his mighty father, and is left with no other recourse than to go beyond. A world of gold and glory is ripe for conquest, for the one that is willing to take it.
Rated: T - English - Fantasy/Adventure - Chapters: 13 - Words: 74,427 - Reviews: 58 - Favs: 146 - Follows: 80 - Updated: 11/9/2012 - Published: 3/21/2012 - Complete
Interdimensional Evility by Vlad Domaklaoss reviews
The Overlord was sent across dimensions to retrieve specimens of a fruit thing. Next thing he knew, he slammed headfirst into a pirate ship.
Rated: T - English - Adventure/Fantasy - Chapters: 15 - Words: 56,545 - Reviews: 49 - Favs: 92 - Follows: 77 - Updated: 5/8/2011 - Published: 5/14/2010