First encountered under the ancient city of Aakas, it is presumed that the Aakas Defenders were put in place to protect whatever lies in wait in the underground environment.  Little more is known about them, and research efforts are slowed by the fact that it is difficult to study anything about them without the imminent threat of death.
There is much conjecture about the differences and similarities between modern day humans and ancient Arkadians. IFN and Archaeological Society researchers suspect the Arkadians may have been the ones to set up the Sentinels.
There may be more history here then first meets the eye.
	
                    
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                    Maturity Levels
                    Attributes of the creature. Damage vs. Armor calculations.
                    
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                    Loots
                    Loots from this creature. The "Last VU" button updates the "Latest VU" column to the current VU. Entries with a red background have not yet been reported to drop this VU. Warning: Some loots may be false.
The "Maturity" column is used to indicate the lowest maturity from which an item has been looted.
                    
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                    Defence Skills
                    The following skills are involved by being attacked by this creature.
                    
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                    Scanning Skills
                    You get these skills by scanning the creature.