This is the perfect or Kanzenban version of Shaman King manga that has the true ending to the original Shaman King series.
This series is the perfect edition of Shaman King that Hiroyuki Takei created to tie up loose ends left by the original Shaman King manga series.
In 2009, the series was republished in Kanzen-Ban or "Perfect" volumes, which rearranged the series into 27 volumes and also added bonus content and chapters, bringing the grand chapter total to 300. The first volume was released on March 3, 2008. The final volume was released on April 3, 2009.