The Sentinel

Sentinels are unique, bringing both tech and biotic abilities to the battlefield. While they lack the focus of adepts and engineers, they are versatile and can handle any situation. With mental augmentations to be able to control both biotic and tech abilities, there is little room for the physical augmentations of a soldier.
The Sentinel's free power is Tech Shield. The tech shield augments the user's kinetic barriers and lasts indefinitely, lest it be destroyed or deactivated. Upon destruction from damage, the Tech Shield explodes, releasing an EMP that stuns enemies up to five meters away. The Tech Shield needs two rounds to cool down.
The Sentinel gets four powers from the Tech and Biotic power lists, as well as two user generated Tech or Biotic powers. At least one of each type must be represented.
The Sentinel is trained in proficiency in pistols and one other weapon type.