As Bungie continue the work on its newest project (and possibly building towards an E3 reveal) each new tease of its upcoming Halo: Reach Defiant Map Pack is tinged with a bittersweet taste. Still, if this is the studio's final bow on the franchise that made its name, its a good way of going out.
Check out the behind the scenes trailer below, which details some of the aspects that have went into the new set of maps that are released on Xbox Live next week on March 15. It'll set you back 800 Microsoft Points.