Earthbound Immortal Uru ( character ) Earthbound Immortal Uru , known as Earthbound God Uru ( 地縛神 Ｕｒｕ " Jibakushin Uru " ) in the Japanese version is a character version of the card " Earthbound Immortal Uru " . It is one of the " Earthbound Immortal s " , and it is presented as one of the most prominent , being the " Immortal " used by Roman Goodwin , the leader of the Dark Signer s . Appearance . Like all " Earthbound Immortals " , " Uru " is a gigantic black , exaggerated animal with a secondary color ; " Uru " is a spider with a red secondary color . " Uru " has a simplified and exaggerated head in comparison to a normal spider , with sideways - pinching , pincer - like mandibles , several short stalks protruding from the back of its head , and ten eyes in a lines of three and two on each side of its head . Its legs and abdomen have red lines running down them , and its joints are tipped with red spots . Despite its wide legspan and high stats in comparison to its fellow " Immortals " , " Uru " is among the smallest of the " Immortals " , though it is still a gigantic monster . Biography . History . Earthbound Immortal Uru was one of the Earthbound Immortal s who participated in the battle with the Crimson Dragon 5 , 000 years ago . As he was being sealed in the Netherworld , he dragged Ancient Fairy Dragon down with him . It is presumed that he serves Red Nova . Uru ' s Mark of the Shadows resurfaced 5000 years later , choosing Signer Roman Goodwin as its host . Roman ' s body became the first battleground between the forces of light and darkness as the Marks struggled to resist one another . Eventually , Roman severed his left arm , containing his Mark , and allowed Uru ' s Mark to influence him , destroying Domino City in Zero Reverse . Fortune Cup . The first hints of the " Immortals " arises during Yusei Fudo ' s Duel with Jack Atlas during the finals of the Fortune Cup ; the simultaneous Summoning of " Stardust Dragon " and " Red Dragon Archfiend " causes them to see a vision of Uru ' s geoglyph destroying Satellite . Dark Signers . Uru made its first proper appearance during Roman ' s first Duel with Yusei . Roman used the souls of the people of Satellite that had been captured with the Black fog to empower " Uru " , and this almost took the souls of the watching John and Mitch ; fortunately for the boys , Jack saved them . " Uru " was Summoned regardless , towering over the surrounding buildings as it faced off against the Signer Dragon " Stardust Dragon " . " Uru " later claimed the soul of Martha as she saved Taka from having his soul taken . After Yusei realized a weakness of the " Earthbound Immortals " ; their inability to protect their player from a direct attack , and tried to attack Roman , Roman left the Duel , leaving Rally Dawson in control of " Uru " . Rally proceeded to use the effect of " Uru " to aid him in Synchro Summon ing " Turbo Booster Cannon " , which he used to destroy " Uru " in order to defeat himself . Roman swiftly Summoned " Uru " during his second Duel with Yusei at the B . A . D . Ener - D Reactor , codenamed " Uru " . " Uru " suspended itself above the Duel , impaling the walls with its limbs . Roman made constant use of " Uru ' s " presence to press Yusei back with " Earthbound Immortal " support cards , but Yusei was eventually able to defeat " Uru " with " Stardust Dragon " and " Battle Waltz " .