Vek'zol

I do not speak Thalassian, but these diagrams are familiar to me.

Knowing the blood elves' addiction to mana, I'd say they were trying to summon demons to drain them of their fel magic.

Simply consuming such powerful energy is a waste. We could harness it for a much greater purpose.

<Zevrost bookmarks a page in the tome>

There is an Altar of Storms in the Blasted Lands. Perform this ritual there to summon the demon Vek'zol. His heart will make a potent reagent. Think of the power we could have!