Complex sentence: Showing it to Megatron, the Decepticon leader rejected it as an abomination and stripped Thunderwing of his rank; desperate, Thunderwing tested the grafting process on himself.
Split into simpler sentences: Showing it to Megatron, the Decepticon leader rejected it as an abomination and stripped Thunderwing of his rank. Desperate, Thunderwing tested the grafting process on himself.