Guessing it's part of miraguls highway which was a super secret network of portals in the lore, but was never really fully implemented ingame. Those locked firepots are scattered all over. The other ones I've seen are in neriak and qcat
https://forums.daybreakgames.com/eq2...ighway.377112/ just speculation all over, but popular knowledge is that the pots in td were just one part of a planned fast travel system that was never finished