Wormhole (Northrend)

Wormhole is a portal summoned by Wormhole Generator: Northrend.

Quotes
This tear in the fabric of time and space looks ominous. Different scenes flash by at terrifying speed. A very brave person might try to jump through at the right time...
 * Gossip

(Appears only rarely, and will bring the adventurer to Kaye Toogie in Dalaran.)