The energised arm cannon was a reward from the Heart of Gielinor: Encampment event, and could be bought with oddments during the Oddments Treasure Hunter promotion from 2 August to 7 August 2017 and from 21 May 2018 to 30 June 2018. It could be obtained from the chest near Ajjat upon reaching 20% completion of the personal and community goals during the event. It could be upgraded to include an emote, a tier increase and the Energised Arm Cannon cosmetic override by contributing more to the…

Infested-style arm cannon (worn on the whole arm of the character) designed and created to go with the Warframe: Heart of Deimos update bundle. Not part of the initial launch.

Justin Mezzell's Arm Cannon inspired me to make this version :) Check the HD version here : http://bit.ly/1OrRXDh