It starts with Redlin Hullnic in Gunthak. He is sitting on the ground outside of one of the houses. Loc is 1606, 115.
You say, 'Hail, Redlin Hullnic'
Redlin Hullnic says 'Eh, who's there? Yender is that you? No you're far too tall to be Yender. You must be one o' them [pirates]!' Redlin then begins to beat furiously on your ankle with his staff. Furiously might be a slightly strong word, as he doesn't seem to be doing any real damage.'
You say, 'I am not a pirate.'
Redlin Hullnic says 'Not a pirate, aye? Well lucky thing for you, I would have given you a real thrashing with my stick if you were! I don't suppose you know where I could get a good pair of gnomish glasses around here do ya? Mine broke on the boat ride over and I can't see a thing without 'em.'
From here, head to Dulnak and go to loc -220 -240. You need to kill Architect Vaukin. His PH is a lead engineer. Spawn time is around 20-25 mins. The Architect has about 2600 hp (Seemed like more when I was fighting him, but wasn't really keeping track), but is not resistant at all. He drops gnomish spectacles, a no drop item. Hand this item back into Redlin and you will receieve Vision Shift.
The spell quest for both Vision Shift and Frozen Harpoon start with NPC Lairyn Debeian in the Gulf of Gunthak.She gives you a pouch to combine components in,and tells you they are for researching the Luggalds.
Frozen Harpoon=Combine 4 Luggald Heart's droped by the Luggalds in the Crypt of Naddox.