Yu - Gi - Oh ! - Episode 183 Events . " Dark Magician Girl " and the Duel Monsters world survivors join the fray . The Chosen Duelists try to strike back with new Monsters . Featured Battle # 1 : Yugi , Kaiba , and Joey vs . Dartz & The Orichalcos God - Part 2 . " Battle continues from previous episode . " Unending Power . Dartz claims that this god ' s power cannot be exhausted . The reason is simple : the origin of the power of this god is from the seized persons ’ " Dark of the Heart " : that is the reason . He then tells them to pay attention and they heard several mourning laments from within the beast . He creates some tentacle - like extensions and begins to assimilate the 3 of them , claiming that the current humans cannot win over the darkness of their hearts . Yami manages to hold on by having his Duel Disk stop him from falling fully inside of the beast ' s body . Gathering of Power . Yugi tells Yami that they should try to stir comfortable memories of the people trapped here . Yami admits that although it ' s hard to win over the darkness of the heart , there ' s something inside of everyone which cannot be destroyed . No matter what happens , it will always keep on existing . If they believe in its existence , then they can bring out the ' Light ' of their hearts . He rallies on everyone to recall those who fought for them . As some of them recall things , they begin to generate some kind of energy . Dartz claims victory , but , all of a sudden , something begins to pulsate inside of the beast , taking him aback . The power of the captured souls flows into Yami ' s Duel Disk , and " Dark Magician Girl " spots it , so they join their power into it . Joey and Kaiba hand him their power as well . Yami finally sinks inside , but his Millennium Puzzle engages and the image of him as the Pharaoh shows over his body while the Eye of Wdjat shows up on his forehead . The pulsations begins to occur again , surprising Dartz as three familiar beams of blue , red and yellow light pierce out of the beast ' s body , taking Dartz aback . Battle of the Gods . The energy leaves a hole in the beast ' s body and the Chosen Duelists are freed . However , the three Egyptian Gods descend from the skies and face the Orichalcos God , stunning Dartz . Roaring its challenge to the Egyptian Gods , it flies above the clouds into an open , blue sky , and the Egyptian Gods , along with Yami ' s spirit , chase it . The three Egyptian Gods attack the beast a first time , unsuccessfully , and as they pull back , the Great Leviathan counter - attacks with it full energy wave . Yami then calls on the Egyptian Gods ' attacks by their special names : Their 3 attacks combine into one mighty blaze . Thanks to the power of infused into Yami ' s Duel Disk previously , the attack creating an energy clash between the Evil beast and Egyptian Gods making the sky energy burst around the cloud bottom , leaving everyone can see including the US Navy . Yami declare to Dartz very clearly : " They will never lose to the darkness of our heart " , then the Three Egyptian god attack gain the advantage and destroys the Orichalcos God along with Dartz . The body of the God falls down into the ocean . All the souls trapped by the Orichalcos are set free . The True Nature of the Orichalcos God . Suddenly , Atlantis starts falling apart and sinking back into the ocean . A dark shape jumps out of the ocean and into it . Yugi , Kaiba , and Joey rush back to the inter - dimensional portal . However , Yugi and Yami Yugi ' s spirit stay behind to face . . . Dartz and the the true form of the Orichalcos God , who has not yet been defeated ! Featured Battle # 2 : Yugi & Yami Vs . Dartz & The " Great Serpent " - Part 1 . " Legendary Knight Timaeus " comes out of his own will and tries to attack the " Great Serpent " , as Dartz names it . Timaeus is struck down and its Attack doesn ' t seem to have made any damage : Yami Yugi calls him back to his Deck and wonders what is this thing : it seems different from all of the monsters they ' ve encountered so far . Dartz explains that all kinds of attacks are already futile : this " Great Serpent " is the true nature of the Orichalcos God . It holds the resentment of the humans populating this world . Man has filled this planet with hatred , so as long as man or the Earth exist , the darkness of the heart held within the Earth shall not be destroyed . It is what this monster all about . Yami Yugi tells Yugi to run , and let him deal with this . Yami Yugi announces that unless the " Great Serpent " is defeated , the same events will transpire over the world again . He then demands of the " Great Serpent " if it was the one which summoned his soul to this forsaken place . He says that , in this battle , he ' s finally understood his uttermost duty about clearing the heart of the darkness , thanks to the support of his companions . Now , he must do it as Pharaoh . Yami Yugi then challenges the " Great Serpent " , announcing that he ' ll shoulder all of its rage and hatred which form the Earth ' s darkness of the heart . The " Great Serpent " then attacks & engulfs Yami Yugi ' s spirit . " Battle concludes next episode . " Featured cards . The following cards appeared in this episode . Cards in italics debuted here .