The Signal Fire can be found at the northwest entrance of the Nexus in Coldarra. [25, 22]
Needs to be lit with [Raelorasz' Spark] for the quest  Springing the Trap.
Patch 3.0.8 (2009-01-20): Added.
This object was added to replace Raelorasz' Flare and avoid confusion for when the event was currently going on.