
Then it should be activated automatically and necromorphs will be slightly set on fire, but only on the part of the body that they've been shot and it is a hardly noticeable effect. If you are still having trouble, there are a few tricks and glitches you can use\exploit to get more power nodes and ammo, such as this infinite supply of nodes:ĮDIT: The special upgrade you are referring to is activated by upgrading the Plasma Cutter so that that nodes filled. There is an article about it here with a video of it in action: This kills all enemies with one shot and you unlock it by completing the game on Hardcore, then it appears in the shop on the next playthrough (so you won't be able to use it on your current playthrough unfortunately). The weapon you're talking about is not the Plasma Cutter, but the secret Hand Cannon
