185110c3__of_the_Year___Dusty_Cartridge__Borderlands_2
[Mechanic] AI: [Borderlands 1] Basic AI. [Borderlands 2] 
Higher level enemies will evade attacks, encourage teamwork and can use special abilities such as shielding and healing their allies.
Why Borderlands 2 will be Game of the Year - Dusty Cartridge
Borderlands 2