Downloadable add-ons for store-bought games are rarely ambitious. We see many new map or costume packs that offer a bit of variety for an older experience, but don't often get content that makes significant changes to the original game's formula. It is in this area that Lara's Shadow-the second and final expansion pack for Tomb Raider: Underworld-breaks the mold a bit. Shadow includes a number of new features not found in previous entries of the series, and even grants you special powers that change up the feel of the platforming and combat. But are these changes for the better?