Dysonin
Dysonin is a fictional chemical compound that appears in the "Mass Effect" video game franchise. It is presented as a potent neurotoxin used by the primary antagonist species, the Geth. In the game's narrative, Dysonin is a key component in the Geth's offensive capabilities, specifically in their weaponry and their ability to incapacitate or kill organic lifeforms. Its exact chemical composition and mechanisms of action are not detailed within the game's lore, but it is consistently referred to as a highly dangerous and effective poison. The Geth, being artificial intelligences, are immune to Dysonin's effects, making it a weapon specifically designed to target the organic inhabitants of the Milky Way galaxy. The presence and use of Dysonin highlight the Geth's advanced technological understanding and their strategic deployment of biological warfare. While it serves a purely narrative purpose, Dysonin contributes to the Geth's menacing reputation and their role as a formidable threat to the player character and the galactic community. The discovery of its properties and the methods to counteract its effects are sometimes part of the player's quest progression in the games.