On Tuesday, July 25, the conclusion to Guild Wars 2: Heart of Thorns Living World Season 3 will arrive. The sixth episode in the Season 3 story line will wrap things up with players tracking down Balthazar in an effort to stop his attack on the Elder Dragons before he can do permanent harm.
To celebrate the upcoming release, ArenaNet released the above video. They also announced an online celebration. Players can participate in this on Reddit, the day after the episode launches.