The last surviving Archmage of the First Thaumaterigcal Dominion. From his castle in the far North, he continues to menace the Second Dominion to this day.
While Valerian has always been a thorn in the side of the Dominion, he has remained something of a minor threat until the time of FanOut Gaiden.
Recently, Rostislav’s forces have been resurgent, mounting an assault that has the Second Dominion mobilizing its’ troops for all-out warfare.
If rumors are to be believed, this resurgent power may be the work of the Iron Bulwark.