Spark armor

This is about the Allspark-powered upgrade from Cyberverse. Not to be confused with Sparkeaters or Sparks

A power sourced from the Allspark itself, any non-sentient vehicle or machine could be added on as armor to a Cybertronian, combining its capabilities and weaponry with that of the wearer. This includes tank guns, missiles, flight, drills, drilling, and the like.

Cyberverse Cartoon

When Optimus Prime and Megatron both arrived to claim the Allspark, its guardian Cheetor granted them spark armor from a jet and helicopter, respectively.Trials Starscream later demonstrated the power of the Allspark to Slipstream and the assembled Seekers by merging with a construction vehicle in the same coloration as a Constructicon. He later used his new upgrade in an attack against The Nemesis and Megatron.

I merged with you once, and I've done it again!

Dark Birth

This shark-bot's gonna blast some haiku so bad, the Jazz will rethink their duet gig at Maccadam's Old Oil House#2005 IDW Continuity

Later, he gave Sky-Byte and Jetfire spark armor from a tank and drill-mining vehicle, while lying to their faces saying neither had "had anything like this". Both kidnapped the other's respective leader, dueled in the Collosseum at Megatron's suggestion, and flew home with their respective leader. Infinite Vendetta