Veksar has two types of mobs in it, undead and goblins. You will first run into goblins when you first enter Veksar. You will have to ether invis or kill your way through the goblins to reach the undead. To get to the undead, jump down into the large room with all the goblins. On the western side you should see a wooden ramp. The undead are up over the ramp in the other room.
You will be fighting the Sentries until about level 50. Once you reach level 50 you'll travel through the underwater Aquaduct (It's marked on your map) to the other side. When you first surface you will see one mob. Kill this then look to the right in the next large room. Be careful in here if these mobs are still yellow to you, they usually don't come in a single pull.
Items You Will Find In Veksar:
Defiant Gear
Shabby Fine Spell Scroll
Steel Ch'Ror
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
Steel Mak'Stor
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
Steel Re'Stek
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
Steel Ta'Nak
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
Sunshard Ore
- Sunshard Ore can sell in The Bazaar for up to 200pp each! Save them to sell them in The Bazaar!
Sunshard Pebble
- Sunshard Pebbles also sell in The Bazaar, hold onto them!
Razor-edged Shan'Tok
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
At the end of the Aqua duct you will find Rotting peasants, animists, commoners and troopers. They all will be yellow or white to you. If these are two hard then I suggest you return to the previous rooms. Also a side note, the second pull from this side will most likely come with two mobs.
Items You Will Find In Veksar:
Defiant Gear
Shabby Fine Spell Scroll
Steel Ch'Ror
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
Steel Mak'Stor
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
Steel Re'Stek
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
Steel Ta'Nak
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
Sunshard Pebble
Sunshard Ore
Razor-edged Shan'Tok
- Sells to vendors for a good amount of plat but takes up a whole inventory space. I recommend destroying them if you get too many and need room for something more important like defiant gear.
You can hang around in this portion of Veksar until level 57, any deeper would be too dangerous. At level 57 you can leave and head over to Nadox, or if you really like Veksar you can stay here. That choice is left entirely up to you.
To get to Nadox return to PoK and take the Gunthak stone (On the Evil side). Once you arrive in Gunthak's Harbor head southwest to the Crypt of Nadox.
Defiant Gear
Shabby Fine Spell Scroll 
Steel Ch'Ror
Steel Mak'Stor
Steel Re'Stek
Steel Ta'Nak
Sunshard Ore 
Sunshard Pebble 
Razor-edged Shan'Tok
Kylong Darkmail Gauntlets
Cultural Silk
Cultural Marrow
Cultural Ore
Cultural Pelts
Cultural Spinneret Fluid
Cultural Loam