The Heal Cannon is a weapon accessible in Shadow the Hedgehog that can be obtained by completing the "Hero" story mode. It is like a regular cannon except instead of killing people, it heals them. Once you upgrade it to level 2 the blast will get bigger. This gun looks similar to the one on the cover on the game that was never used. It is possible that that was concept art for the Heal Cannon. This article is a . You can help My English Wiki by expanding it.