The Nihil damage enhancer is one of the damage enhancers and a possible item received from the Motherlode Maw's daily random reward. There is also have a chance of getting one by trading Wythien ten crystal motherlode shards. Players can convert an unfocused damage enhancer to a Nihil damage enhancer, but it will only have half the charges than normal.
When the enhancer is in the player's inventory, they will inflict 10% more damage against nihil. This lasts for 150 successful hits, after which the enhancer will disappear.