Championship Tournament
The five participants for the King of the Mountain match were determined in a series of standard wrestling matches that took place on Impact! leading up to the event; a small single-elimination tournament. Angle defeated Rhino in the first bout to gain entry on the May 17 episode of Impact!. On May 24 episode of Impact!, Samoa Joe defeated Sting to become the second participant. The third qualification match was held on the May 31 episode of Impact! between A.J. Styles and Tomko, which Styles won. The next bout pitted Chris Harris against James Storm on the June 7 episode Impact!, which ended in a double disqualification; neither man advanced to the King of the Mountain match. The final qualification match was won by Christian Cage over Abyss on the June 14 episode of Impact!. Angle ended up winning the King of the Mountain match at Slammiversary over Joe, Cage, Styles, and Harris, who was a mystery participant chosen by Cornette, to become the "undisputed TNA World Heavyweight Champion".
Read more about this topic: TNA World Heavyweight Championship, History