The only variation on a Plugger (barman shanker) run is right after the Shadow-forge lock. Go up the ramp and then go straight up the second ramp and cross the Ring of Law. You can pickpocket these guys for about 3-4s each if you feel like it. Free Buy Cheap ffxi gil.

After you crossing the Ring of Law, go to your right and find Pyromancer Loregrain. Kill him first, and if you kill his adds and vanish, they spawn right back. He spawns pretty frequently, maybe one in three, and he drops the Fiery Enchant about 30% of the time.

Go back through the Ring of Law and continue with the Plugger run. May as well kill him since he is easy, and then the door will open for you to get to Lord Incendius. I recommend killing the little gnomes in the room with the golems too.

Poisons don't work at this moment, so use Dense Sharpening stones. I have to drink a greater fire resist potion and put on all of my fire resist gear (I am at 127fr). He kicks you, and the lava is death so line up well and goes for it.