This pass is the only way into the dead city of Na'Gara. Once this was a haven of peoples of many races half orc , elven and drawven mingled among humans , halflings, and gnomes.
Now only the dead live here.
Over view. The pc's must travel to the ruined city of Na'gara and find the lost orb of unity. In this adventurer they must over come the unforgiving wilderness, The barbaric drwaven tribesmen and the undead of the ruined city.
Part 3 the pass.
The party comes upon this passage into the lost city.The walls are 15' tall and lined with runes hankering back to a different time.
[Traps ] This corridor is lined with deadly traps . Anyone not speaking " We bring no harm" in the ancient tongue oF Na'gara will trigger the traps.
trap CR8 power word stun.
Lurking about this corridor are 2 creatures, Samburl and his creations EL10
Samburl graveborn wraith CR 9[ see apendix]
Wraiths CR5
Something like this?