Transformers: Robots In Disguise # 21 (IDW Comics 2013)

Shockpoint.
In the wastelands of Cybertron, Shockwave makes his move and Soundwave and the Decepticons step up to stop him! While the battle of the century rocks the ancient ruins of the Crystal City, dig back into the history of these titanic rivals.

Transformers: Robots In Disguise # 21 is written by John Barber and others.

Transformers: Robots In Disguise # 21 is a 32 page comic book in full color.