Dyne ( Final Fantasy VII ) Dyne is a non - player character in " Final Fantasy VII " . He was Barret Wallace ' s best friend , and they lived in Corel . Dyne is the biological father of Marlene . Profile . Appearance . Dyne has black hair , wears a white shirt , green trousers and a backpack . He is muscular but shorter than Barret . Dyne ' s gun arm is longer but narrower than Barret ' s and only contains a single barrel . Notable aspects of Dyne ' s appearance include his gold chain and left gun arm . In his artwork he has a scar across his left eye . This was not incorporated into his appearance in " Final Fantasy VII " , however it did appear in his appearance in " Final Fantasy VII G - Bike " . In " Final Fantasy VII : G - Bike " he was shown with brown hair . Personality . Young Dyne was wary of outsiders and loved his old way of life . He was initially protective of the coal miners . Later on Dyne was devastated by a number of tragic events which took everything he loved away from him , making him bitter and defeatist . Story . Shinra ' s oppression . When the Shinra Electric Power Company wanted to build a Mako Reactor near the town , Dyne originally opposed it . When there was an explosion at the reactor , Shinra took revenge on the town of Corel and burned it down , killing his wife , Eleanor , and Barret ' s wife , Myrna . Dyne assumed Marlene , then a newborn , was killed , as well . When Barret and Dyne tried to escape from Shinra , the troops fired upon them , causing Dyne to trip and fall into a deep crevice , but Barret was able to grab hold of Dyne ' s arm , preventing his fall . On order from Scarlet , the Shinra soldiers fired again directly into the friends ' arms , causing Dyne to fall , destroying his left and Barret ' s right hand in the process . Thinking his friend was dead , Barret adopted Marlene . Dyne , like Barret , had his hand replaced by a machine gun . Dyne was thought to be dead , until Cloud and his friends discover people killed in the Gold Saucer . A survivor tells them they had been shot by a man with a machine gun for an arm , whom everyone , unaware of Dyne ' s existence , assume to be Barret . Corel Prison and reunion with Barret . The party is accused of being the attackers and arrested . Without trial , they are summarily thrown into the Corel Prison . The party is told by Mr . Coates that they need the boss ' s ( Dyne ' s ) permission to get out of the prison . Barret meets up with Dyne , who , in grief over his family ' s death and the state of the world , states that he wants to destroy everything . To try and help ease his pain , Barret tells Dyne that Marlene is still alive . While happy to hear this news , Dyne subsequently hints that he intends to kill Marlene and reunite her with Eleanor , thinking it will ease her loneliness , and as a result , he fights Barret . After Barret wins , Dyne claims that his hands are too stained with blood to ever have a right to hold Marlene again . His final act is to give his permission for Cloud and his party to leave the prison before committing suicide by jumping off a nearby cliff . Post - crisis . Dyne appears in the novella " Hoshi wo Meguru Otome " . Since his death , Dyne has become tormented by the memories of his actions , and his gun - arm symbolically appears soaked in blood because of it . With Aerith ' s assistance Dyne is able to come to admit he wanted the world to be destroyed when he was alive , and is eventually able to free himself from his torment and find solace . As a reward for this , the Lifestream accepts him and he is greeted by a vision of his wife as he dissolves . Creation and development . According to the " Final Fantasy VII Ultimania Omega " , Marlene was originally going to be Barret ' s daughter rather than Dyne ' s . Dyne originally wanted to fight Barret because he still had someone in this world , while Dyne was left with no one . Dyne had many proposed names in the early drafts , such as Duel , and Vicks . Gameplay . Dyne is fought during the events of Corel Prison in a one - on - one battle against Barret . He fights mainly using physical abilities and despite having access to Fire he never uses it . Dyne is vulnerable to Poison - elemental damage . Other appearances . " Final Fantasy VII G - Bike " . Dyne appeared as a boss in " Final Fantasy VII G - Bike " . His Limit Break was S Mine .