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 event.
The tier of the weapon can be changed through the Change Level option in the right-click context menu.
The energised arm cannon can be reclaimed from Diango for 500,000 coins. The off-hand energised arm cannon can be generated for another 500,000 coins. When lost in the wilderness, the main hand armcannon converts to 350,000 coins.
Along with its off-hand variant, this weapon is required to perform the Energised emote.
Concept art of the energised arm cannon
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- On the release day of the cannons, they only counted the player's ranged level and ignored the bolt when dealing damage. This has since been fixed.
- On the release day of the cannons, they were available on the Grand Exchange despite being untradeable. Both the main and off-hand version had a market price of 1 coin.