and causing Barret and Dyne to flee with Dyne's daughter, Marlene. Cornered, Dyne slipped off a cliff and Barret grabbed his hand, but Shinra soldiers opened fire, and destroyed Barret's and Dyne's right and left hands respectively, causing the latter to fall to his presumed death. Barret adopted Marlene as his own daughter, had an "adapter" graft to his arm to interface with prosthetic weapons to aid in his combat against Shinra, and founded AVALANCHE. Dyne's death causes him to admit his grudge with Shinra is solely for revenge, with his earlier claims of "saving the world" meant only to convince himself he was fighting for the greater good. Barret eventually shifts his goal to actually wanting to save the Planet, doing so for Marlene's sake, and he helps Cloud and his allies defeat Sephiroth to prevent the Planet's destruction. Early drafts of Barret's background featured subtle differences, such as Marlene intended as Barret's biological daughter, and his wife executed in front of him by a then-undecided Shinra executive. The attack on Corel was initially written to be due to the discovery of Mako energy and Shinra's desire to keep its existence a secret. His reunion with Dyne was also different, written to culminate in a duel between the two in Corel's ruins, while Cloud and the others fought to investigate Shinra soldiers. Compilation of Final Fantasy VII Barret appears in Before Crisis: Final Fantasy VII, a 2005 mobile phone-based prequel to the events of Final Fantasy VII, which shows the events prior to Corel's destruction. He helps the game's protagonists, the Turks, defend the Mako reactor, believing it to be the town's future. It is revealed that the reactor is under attack by the original AVALANCHE group, who are the cause of Shinra's attack upon the town. Unaware of their involvement, Barret uses their ideals to form his own branch of the group. In 2005, Barret appeared in the CGI film Advent Children, which details the events two years after Sephiroth's defeat. Barret places Marlene in Tifa's care, travelling the world to rebuild the planet's infrastructure and find alternate power sources to replace Mako. He returns later to assist in combating the film's villains, the Remnants, and fight the summon creature Bahamut SIN. He later appears in a small role in the 2006 video game Dirge of Cerberus: Final Fantasy VII, set one year after Advent Children, where he