If you are not referring to D&D, "pack 1115" could relate to:
The digital version of this pack is often shared in retro-gaming and tabletop communities as a compressed or .zip archive. This typically contains high-quality scans of the original 1994 booklet and cards, preserved by archivists on sites like the Internet Archive . Other Possible Contexts pack 1115.rar
In software development, "1115" is sometimes a specific issue or "pack" of fixes in repositories like Thorium-Win on GitHub . Tsr 01115 Thief's Players Pack - Internet Archive If you are not referring to D&D, "pack
A 32-page booklet with thief-specific lore, advanced rules, and roleplaying tips. A custom fold-out character sheet. Reference cards for thief skills and equipment. Tsr 01115 Thief's Players Pack - Internet Archive
Rather than a single narrative, the pack provided players with tools to build their own stories, including: