Creating "Custom Fun" servers with new items and zones.
Without MMaps, a boss would run in a straight line and get stuck behind a pebble. WoW-WOLK-3.3.5a-Server-DBC-Maps-MMaps-VMaps-Wor...
These folders contain the extracted client data that the server software uses to understand the game world: DBC (DataBase Files): Creating "Custom Fun" servers with new items and zones