Scryer's Tier is a terrace in Shattrath City, and the base of operations for the Scryers. At the center of the Tier is the Seer's Library, which serves as the faction's headquarters. Scryer's Tier also boasts an inn run by Innkeeper Haeltholand a variety of vendors, including reputation vendors and a reagent vendor behind the Seer's Library.
Scryer-favored players who wish to take the shortcut to Nagrand through the Aldor rise should be warned not to take the elevator between the Scryer's Tier and Aldor Rise, since aggroing the guards and getting Banished from Shattrath City is very easy. Instead, take the main elevator from the Terrace of Light and dodge past the NPCs and the Inn to get to the tunnel.