Sol-III v1.1.2 [1.15.2].jar is a release file of the Minecraft mod Sol III Core for Forge, made for Minecraft 1.15.2. It was published on August 10, 2020 and is 0.6 MB in size. For the full description, screenshots and every other version, visit the Sol III Core mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.