Proof in Writing

Steps

 * 1) Head to the concordium tower at  to gather 3 samples (a glowing stack of books) all by the blue portal.
 * 2) Take the red portal and speak to Galdin then zone in the concordium vault with the portal at.
 * 3) Search clue in the shelves then return to Field Marshal Vishra.

Rewards

 * At least (at level 92)