World of Warcraft's best guild Paragon slay dragon
1 February 2011 Last updated at 13:51 GMT
Paragon is the guild with the world's best players of the video game World of Warcraft.
Its members, based in Finland, coordinate attacks over the course of several days.
Paragon tops an unofficial league table of players' guilds
In this raid, 25 players slay Nefarian and Onyxia in an epic battle.
Raids are among the hardest tasks to complete in World of Warcraft and can take hours to complete.