I'm editing this the next day after what I wrote below. Last night I checked out the elf island. Verant has apparently changed the faction standings. The elf had conned dubious to me last week is now ready to attack. Once I realized that I was able to sneak around him so this route still works if you have access to sneak, invisibility, or levitation, but otherwise it's probably not practical until you're in the low 20's.
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I'm editing this message the next day. I tried this route again last night and for the first time ever I got killed on that elf island! One of the elves in a building on the pier didn't like me and attacked. I've traveled this way about 10-15 times including a previous time yesterday and two times earlier this week and this is the first time I was killed there. I don't know if Verant changed the factions because they thought Iksar were having it too easy, if it was a fluke, or if they added another elf. I'll try it again tonight and try to see how things go.
If this fails then the only alternatives are via Overthere and Freeport or via teleport. Since it isn't necessary to get off at the island on the way back to Kunark, it can still be used for returning.
Anyway, I just thought I should put in the warning.
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Hail! I just found this board.
In my travels as an Iksar I often see Iksar going to Oasis via the Overthere but I don't see them going to Faydwer except via teleport. My monk has been doing this since level 10 without resorting to teleport and I thought I'd pass along how I do it. It's very tedious but except for one short stretch that all races have to go through it isn't particularly risky if you're careful. It's actually possible to go to Oasis and then take the boat from Freeport to Butcherblock (I've done that too) but I'm going to describe using the boat from Firiona Vie to Butcherblock starting at Cabilis.
1. Enter the Lake of Ill Omen. It's behind the arena in Cabilis.
2. Follow the left mountain range until you reach a stream. Follow that stream to the left until you zone into Firiona Vie.
3. Prepare for the only really dangerous leg of this journey. There are frequently high level groups just inside the Firiona Vie zone. The next part of the trip will be a LOT safer if you can get them to make you invisible. It's still doable without being invisible though. If you can sneak or have any other way of reducing a monster's aggro radius by all means use it.
4. CAREFULLY follow the stream to the sea avoiding the drachnids. If you're low level you will almost certainly die if they see you so be careful. SOW never did me much good -- they just cut me down from behind with their spells. My monk uses sneak in this part. At least it's short and is the only truly dangerous part of the journey. After various disasters I now only do this during the day because I can see the drachnids easier. Take whatever time you need to sneak past them even if that means making detours or waiting until one walks away. I assure you that waiting for it to walk away is a lot quicker then running back to recover your corpse. On the other hand you do want to get out of this stretch as soon as you can so don't dawdle. If you sneak and are very careful you'll probably be fine.
5. When you reach the ocean swim around the good outpost giving it a WIDE berth.
6. When you reach the pier where the boat ties up and if the boat isn't there go past the pier. There's a ladder up from the water a couple hundred feet back which you can reach if you approach it from away from the pier. It's a good place to rest while waiting for the ship.
7. When the ship arrives you can ride on either the bow or the rudder. If you have levitate you might be able to get on deck in which case you'll be able to skip the next step and arrive much sooner then you would otherwise. I've never done it with levitate though. If you're on the bow or rudder I'd suggest not moving around because it's very easy to fall off.
8. The ship will eventually leave and zone into the Timorous Deep. It will stop at an island in that zone and you'll have to get off if you weren't able to get onto the deck. Just wait until you see the shuttle coming out to the boat on the port (that's left) side. Jump off the boat and swim ashore. Run around to the pier and get back on the shuttle (which will have returned by the time you get there). This is necessary because you have to be ON the deck of the ship for the next step to get into Butcherblock. There are wood elves along the pier but I was not KoS to them. YOur mileage may differ so I'd suggest /conning them before walking past them.
9. After the ship goes all the way around it's circuit and is again back to the island (I TOLD you this was tedius) ride the shuttle out to the ship like any other passenger and get on deck.
10. Eventually the ship will again stop and the shuttles from Butcherblock will arrive. Get on one. After it zones into Butcherblock but before it arrives at the dock jump off and swim ashore.
Congratulations! You made it.
The trip back is pretty much the reverse. However there is one thing to keep in mind.
To get back on the shuttle at Butcherblock you'll have to navigate the dock area. The dwarf at the foot of the pier for the shuttles will kill you if you get too close as will most of the merchants in the buildings. I swim to the middle of the dock area and then sneak to the wall by the pier using a path which goes midway between that dwarf and the buildings. Once I'm at the wall I hug it and go up the pier on the left side, getting onto one of the left shuttles.
You won't be doing any of that nonsense of getting off at an intermediate island and then back on when heading back. Just go straight to Firiona Vie and jump off the ship when it docks on the side away from the pier.
Also, when doing the return direction through Firiona Vie there is one spot where the drachnids appear to not be visible until they "pop" into view when you're practically on top of them. This is bad. To avoid it, when you first start sneaking past them do NOT start right next to the stream, instead start a ways to the left as you're facing the land from the sea.
I've used this route several times and once I figured out the dangerous spots it's become fairly routine.
Gilasil of Xegony