were originally created by an ancient malevolent primordial deity named Knull. When the Celestials began their vast plan to evolve the universe, Knull, seeing that his "Kingdom" was being touched, retaliated by constructing All-Black, the first symbiote, and subsequently cut off a Celestial's head. The other Celestials then banished Knull, along with the severed Celestial head, deeper into space. After that, he started using the head's cosmic energies as a forge for the symbiotes, which is how they developed the weaknesses to sound and fire. The head would later become interdimensional crossroads and laboratory Knowhere. Knull then embarked on a campaign of genocide against the other gods. During a battling with the gods, he crashed on a desolate planet where All-Black left him and went to Gorr, drawn to his murderous hate, who tried to kill Knull. Knull later reawakened and created an army of symbiotes, which he used to conquer planets and destroy entire civilizations, establishing the Symbiote Imperium in the process. However, when a dragon-like creature journeyed to the medieval Earth, Thor defeated it and destroyed the connection between Knull and the symbiotes. Subsequently, the symbiote hive-mind began to explore notions of honor and nobility as they bonded to benevolent hosts. The symbiotes subsequently rebelled against their god, imprisoning him at the heart of an artificial planet in the Andromeda Galaxy they called Klyntar, from which derived the name of their species. Ashamed of their dark past, the symbiotes desired to spread and maintain peace throughout the Cosmos by seeking out worthy hosts from various species in order to create an organization of noble warriors. However, these altruistic goals were imperfect, as the Klyntar symbiotes could be corrupted by hosts with harmful chemical imbalances or problematic personality traits, turning them into destructive parasites that would spread lies and disinformation about their own kind in order to make other peoples fear and hate the Klyntar species as a whole. The corrupted Klyntar became more widespread than their benevolent counterparts, establishing a spacefaring culture dedicated to infecting and overtaking whole planets and reestablishing the Imperium. These symbiotes forced their hosts to perform death-defying feats in order to feed off of the resulting surges of hormones, like adrenaline and phenethylamine. These hosts would die quickly, either because of the wear from constant stress and exertion or as a result of the inherent danger of the stunts performed. At some point it