Serendipity is designed to add a bit more variety to the game's PvE and loot tables. It will be "introducing rare spawns throughout the world. Upon their demise you will have the chance to receive new gear never seen in the game before, so be on the lookout -- you don't know what you will find," says producer Dave Haydysch.
The fast travel is pretty self-explanatory, while Assault is a new Blood Sport PvP game type that features two teams of up to eight players as well as attack and defense objectives.
Check out the full press release over at the official website.