As in previous years, BlizzCon 2019 is anticipated to be packed with WoTLK Gold gaming, esports cosplay, camaraderie and the most up-to-date Blizzard information about entertainment." There will be panels from developers, esports contests, and much more. There will also be a new "BlizzCon The Pregame Festival" event that's held at the side of the convention day before the show starts. This is described as an "casual gathering," and there's an Darkmoon Faire event taking place on Thursday.
Blizzard is changing how tickets are handled in preparation for BlizzCon 2019 and charging more. There are three ticket options this year: the BlizzCon Pass ($230 USD) and the BlizzCon Portal Pass ($550 USD), and the BlizzCon Benefit Dinner Pass ($750 USD). In 2018 it cost $200 to get in.
The BlizzCon Pass gives you access to the entryway and also access into the Pregame Festivities event, in addition to the statue and other in-game items. Additionally, it includes the BlizzCon Portal Pass however comes with a variety of extras to justify the $550 cost. It includes everything mentioned above, plus admission to Darkmoon faire during the Night at the Faire event that takes place the day before BlizzCon starts, as in a variety of "convenience-related features." They include the first entrance into the exhibit hall, priority parking with separate lines, and access to a separate lounge where people are able to hang out and chat to Blizzard developers.
If you're looking at the Benefit Dinner for $750 USD Pass it's the ultimate package that buy WoTLK Classic Gold entitles the chance to attend a charity dinner that takes place the night prior to BlizzCon in which you get to get to know artists, developers as well as other Blizzard people, along with all the benefits mentioned above. Proceeds from the dinner go to the CHOC Children's charity.