Kodashi viper The Kodashi viper was an ophidian indigenous to the rainforests of the Outer Rim world of Dathomir . Kodashi vipers were the most poisonous serpents in Dathomir ' s jungles , and those who failed to heed the multicolored aposematic patterns of their hides often fell victim to the Kodashi ' s neurotoxic venom . Despite the lethality of their natural defensive poison , Kodashi vipers were safely edible , and their skins were used by the natives to fashion garments . In 43 . 5 ABY , Kodashi vipers were exploited by the Nightsister clan of Dathomiri witches as the means by which they attacked the annual gathering of the Raining Leaves and Broken Columns Clan s . Through their command of the Force , the Nightsisters directed several Kodashi vipers into the camp of the Broken Columns , which resulted in the deaths of four clansmen . Biology and appearance . Kodashi vipers were serpents found on Dathomir , a jungle planet in the Quelii sector of the Outer Rim Territories . The aposematism of the Kodashi was evident in its multicolored hide , which was predominately green but adorned with alternating bands of red and yellow . When predators and other nuisances neglected to recognize the Kodashi ' s warning coloration , the serpent defended itself with an extremely potent neurotoxin that was capable of killing an adult Human within minutes . Behavior and intelligence . Kodashi were ectothermic reptiles usually found in the rainforests of Dathomir , where the temperate climate was more suited to their nocturnal activities , and very seldom near places like Redgill Lake , where evening temperatures were too cold . When Kodashi attacked , they coiled and struck with a bite that caused agonizing pain and delivered a dose of lethal venom for which there was no antidote . The serpent was easily subdued if grabbed securely behind its head , although it attempted to constrict the assailant during its subsequent struggle for freedom . Kodashi were also susceptible to manipulations of the Force , and a being skilled in the use of the dark arts was able to command multiple vipers with their powers . Despite the negative connotations associated with Kodashi vipers , the jungle natives admired them for their stealth and recognized the serpent as a viable resource . Women and men of Dathomir killed the vipers for their meat and hides , which were fashioned into colorful garments . History . By 43 . 5 ABY , Kodashi vipers were recognized as the most venomous serpent in the jungles of Dathomir . As such , members of the Raining Leaves Clan of Dathomiri witches , as well as their male counterparts of the Broken Columns Clan , clad themselves in Kodashi skins and colors . That same year , the dark art – practicing Nightsisters of Dathomir spied on the annual gathering of the Raining Leaves and Broken Columns Clans . As the congregation settled down for the evening after a full day of contests and challenges amongst each other , the Nightsisters directed six Kodashi into the camp of the Broken Columns men . One of the beings present , offworlder and Jedi Leia Organa Solo , experienced a disturbance in the Force caused by the Nightsisters ' malicious intent and intercepted one of the serpents as it prepared to attack her husband , Han . Another of the serpents was killed by a discharge of blasterfire , but the remaining Kodashi found their marks and were able to kill four members of the Broken Columns Clan , men who had each placed first in various competitions from the previous day . Behind the scenes . The Kodashi viper was a creature created by author Aaron Allston for the fourth novel in the " " series , titled " " . " Backlash " is the Kodashi viper ' s first and only canon appearance to date , although it was mentioned in Daniel Wallace ' s 2012 reference book " " .