8115 Dark Panther is an Exo-Force-themed set released in December 2007. It includes 222 pieces and three minifigures, namely a Devastator and two Iron Drones.
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Leaping from the shadows, this four-legged robot Battle Machine strikes without warning! Drones detach and attack with jetpacks, cannon elevates, and weapon converts to mini-robot scout.
One of the detachable jet-packs