blood_dynamo-1.2.2.jar is a release file of the Minecraft mod Blood Dynamo for Forge, made for Minecraft 1.12.2. It was published on March 18, 2020 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Blood Dynamo mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.