Rouge Crawler

Rouge Crawler is a misterious rahi created by an unknown Makuta.

History
After defeat of Barraki Brotherhood of Makuta realized that they do not have numbers to protect every Matoran settlement. In effort to create ultimate guardian Makuta experimented with new species of Rahi. They created loyal and agile beast however being afraid of rahi rebellion, they limited they intelligence. Creatures lost in open without guidance and had problems in identifying friend from foe. Project was abandoned and all prototypes destroyed. After Makuta turned against Mata-nui brotherhood needed powerful hunters and infiltrators. One of the masters uncharted long lost blueprints of mighty beast. However again encountered the intelligence issue. Without moral barriers anymore they decided to grant it unordinary, cunning mind. The danger was that a creature can gain sentience and attack it's creators. One being nicknamed "Crawler" was spawned. Moments after it's first breath it became self aware. It killed it's unprepared creators and escaped the facility keeping only the breastplate of Brotherhood guard. Since then mysterious creature was spotted on uninhabited islands and several Matorans disappeared without a trace throughout years.

Abilities and Traits
In combat Rouge Crawler displays great strength and agility. However it's real weapon is it's powerful mind able to create and adjust deadly tactics in seconds. Because of it's original role as stalker and spy Crawler can move undetected. It's four legs make it able to walk on walls and ceilings.

Trivia

 * It's rusted chest armor was ripped from Makuta trying to stop it from escaping.
 * There is possibility that Rouge Crawler creation lead to engineering of Rakshi.