Granger

Augments: Acuity, Articulacy, Bastion, Conservation, Emphasis, and Stability.

Granger has 3-star knowledge in every possible quest in the game. Therefore, she's invaluable regarding information.

She can inflict all 3 types of elemental damage, and that's great since it's gonna be possible to explore the enemies' weaknesses. Also, she can apply poison, silentium, and torpor.

With 1st-tier skills, she casts a lot faster and uses less stamina.

She's almost fully golden-forged. Resists 100% of lots of debuffs, including stagger and knockdown.