of the robot rebellion. Devastators have been known to go out of their way to cause damage to civilian dwellings, or to pursue wounded battle machines for long distances just to finish them off. Exo-Force pilots have reported seeing Devastators of various colors. Iron Drone: Iron Drones are strong and durable. As the foot soldiers for the robot army, they are very good at following orders, but terrible at improvising in an unexpected situation or devising any kind of strategy. Construction sets According to Bricklink, The Lego Group released a total of 38 Lego sets as part of the Lego Exo-Force theme. It was discontinued by the end of 2008. In 2006, the theme released a variety of individual battle machines, such as Grand Titan and Mobile Defence Tank, and robot machines, such as Thunder Fury. The largest sets were Striking Venom, the robot's battle station, and Sentai Fortress. In 2007, the story was set in the Golden City, with the Fight for the Golden Tower set at its centre. The Exo-Force also had newly designed mecha. In 2008, the story moved to the jungle, which introduced new toy vehicles, such as Storm Lasher and Hybrid Rescue Tank. The minifigures in this theme were created with a unique style that included cartoon-style hair pieces and anime-style faces. Original sets The motto for Exo-Force in 2006 was "Time to Power Up!". 16 sets was released on 2006. Stealth Hunter (set number: 7700) was released on 2006. The set consists of 164 pieces with 1 minifigure. The set included Lego minifigure of Hikaru. Unit Designation is A.01 龍翼 (Dragon Wing) and Alternative Model is Stealth Wasp. Grand Titan (set number: 7701) was released on 2006. The set consists of 194 pieces with 1 minifigure. The set included Lego minifigure of Takeshi. Unit Designation is L.01 龍牙 (Dragon Fang) and Alternative Model is Titan Tracker. Thunder Fury (set number: 7702) was released on 2006. The set consists of 197 pieces with 1 minifigure. The set included Lego minifigure of Devastator (Red). Unit Designation is TF.7702 and Alternative Model is Fire Fury. Fire Vulture (set number: 7703) was released on 2006. The set consists of 177 pieces with 1 minifigure. The set included Lego minifigure of Devastator (Blue). Unit Designation is FV.7703 and Alternative Model is Hover Hawk. Sonic Phantom (set number: 7704) was released on 2006. The set consists of 215 pieces with