The purchase period ends on March 14, after which you’ll have four weeks of Bonus XP to complete your War Chest and finish unlocking all rewards. Complete your War Chest by April 11, 2019 to earn all the goods.
Custom loading screen race banners, decals, console skins, and portraits are unlocked per race bundle you purchase. The War Chest Co-op XP Boost is unlocked upon purchase of any War Chest product, and is active until April 11, 2019.
Purchasing the War Chest Complete Bundle grants you a special random race loading screen banner in StarCraft II, as well as rewards in other Blizzard titles: a Tal’darim Probe Pet in Diablo III (unlocked on first War Chest purchase only), a Hearthstone Classic Card Pack, and a Heroes of the Storm Rare Loot Chest!