Image: BungieDestiny 2’s The Final Shape expansion has a lot riding on it. It’s the culmination of a 10-year story and the conclusion of Destiny’s light and darkness saga. After a four-month delay, fans haven’t really seen much of The Final Shape, but today, Bungie delivered a preview of what’s to come. The teaser left me thinking that Destiny 2 is about to feel very different — and very broken — as players will be able to wield Light and Darkness abilities together for the first time ever.A new Prismatic Subclass merges the powers of the Light and Darkness, allowing players to combine certain class abilities from different damage types. So you could throw a Stasis grenade into a stack of enemies to freeze them and then use a Solar ability to wipe…