Data\ -> Levels\ (town, catacombs, hell, etc.) -> Gfx\ (sprites, walls, items) -> Sounds\ -> Music\ -> Misc\ -> Titles\
For Diablo 1 , the main archive is, of course, . Diablo 1 Diabdat.mpq
: Includes the iconic soundtrack by Matt Uelmen (such as the "Tristram" theme) and all voice lines for Deckard Cain and other NPCs. Data\ -> Levels\ (town, catacombs, hell, etc