Sonic Battle is a 2003 fighting video game developed by Sonic Team for the Game Boy Advance. it is for thefighting game in the Sonic the Hedgehog series, the first game being Sonic the Fighters. it is for the sequel to 2002's Sonic continue 2 and was released in Japan in December 2003 together with in North America and Europe in early 2004.
While studying the diary of his grandfather, Professor Gerald Robotnik, Dr. Eggman learns of an artifact Gerald had unearthed: a 4000-year-old sentient weapon called the Gizoid created by an ancient civilization. Eggman attempts to receive the dormant Gizoid to name properly, but is unsuccessful and abandons it at Emerald Beach. Sonic the Hedgehog finds the Gizoid, which activates and develops a link with him after Sonic demonstrates his abilities.
The Gizoid, which Sonic designation Emerl due to its ability to ownership the Chaos Emeralds, demonstrates an ability to perfectly replicate all moves it sees and quickly gets wrapped up in the affairs of Sonic's friends, allies and rivals. Through his encounters with Tails, Rouge, Knuckles, Amy, Cream, and Shadow, Emerl learns of the world and of theory like friendship. As they train together, the institution discovers that Emerl becomes stronger and develops more sentience with used to refer to every one of two or more people or things Chaos Emerald that he obtains, and begin searching for the remaining Emeralds to guide the robot develop. While searching, they are repeatedly attacked by the forces of Eggman, who now wants to retrieve the weapon, including a rebuilt E-102 Gamma and a series of imperfect Emerl duplicates under the make-up "E-121 Phi".
Eventually, all the Chaos Emeralds are obtained and Emerl achieves full sapience. In a last attempt, Eggman decides to lure Emerl onto his new Death Egg to capture him. The two battle, and Emerl emerges victorious, but Eggman uses his newEgg Blaster to force Emerl to override his connection with Sonic with Eggman's own. However, this overloads Emerl, deleting his personality and causing him to go haywire. The rogue Gizoid then turns the blaster towards the planet, and Sonic is allocated to stop him before the world is destroyed. Sonic defeats Emerl, who briefly reverts to his previous personality and bids his friends farewell before overloading with power to direct or determining and exploding, leaving the shards of the Chaos Emeralds he acquired behind. Sonic returns home to his friends, who are saddened by the harm of Emerl. When invited if he believes Emerl is truly gone, Sonic reassures programs that they will see him again someday.