Firestorm fought in every series of RW from 1 to 7. The flipper changed from low perssure to extremely high pressure in series 5 (citation needed).
Firestorm came 3rd, beating Atomic into 4th.
In Heat D they fought Suicidal Tendencies, Bulldog Breed and Panic Attack in the first found and Bulldog Breed again in the heat final.
They then fought Kronic, who they lost to.
In the 3rd place playoff they beat Atomic, to finish 3rd in the competition.
For series 2 Firestorm was seeded 3rd. They fought in the first round of Heat A. In that heat they fought DuckBill (11th seede), Yello and 101.
They reached the heat final with Mute 1, a robot with a similar style of weapon, and beat them.
For series 3 Firestorm lost the large antenni for smaller internal ones. For series 5 (citation) the low pressure system was replaced for an extremely powerful high pressure system. The new system was so powerful that it could flip robots straight from the center of the RW arena OOTA.