HalloweenPack_1.21.3_v3.1.zip is a release file of the Minecraft resource pack Default-Style Halloween Pack , made for Minecraft 1.21.3, 1.21.2. It was published on October 31, 2024 and is 3.7 MB in size. For the full description, screenshots and every other version, visit the Default-Style Halloween Pack resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.