A scientist creates a pony version of a transforming using new technology. These Ponybots feel like they don't have purpose, they don't have a "spark". They don't have what makes them alive. They go to the Autobots to ask what it takes to get a spark. Without an answer the Ponybots leave the Autobots disappointed, as they wander the world they are pulled in by Galvatron. Megatron reborn Galvatron takes in the Ponybots tricks them and twists there minds, turns them into weapons. Using his new acquired weapons Galvatron storms the Autobots stronghold, in an attempt to defeat them forever.
Note: This fanfiction occurred after me seeing Transformer 4: Age of Extinction, which is all due to a certain scene, also may contain spoilers for Transformers 4: Age of Extinction.