Heavy Blow or simply Volcano, is the third stage in Gradius II NES. This level is throwback of the first level of Gradius as its background layout is almost the same, including mountains, forests and even some enemies. This level is very similar to the arcade version, but with the oddity of that at the end of this stage there is not a final battle. Volcanoes are the most common obstacle of Heavy Blow. As explained before, neither a mini-boss nor a boss in encountered here.