Transformers: Armada and Generation One clash explosively in this ultimate Transformers saga! It's the beginning of the end as a chaotic force from beyond the Armada-verse starts to make its presence felt, dispatching five lethal heralds to soften up both the Autobots and the Decepticons. With Optimus Prime stranded on an alternate Cybertron - one about to be consumed - no happy endings are guaranteed! This volume collects issues #12-18 of the Transformers: Armada series.