This counts as a longhouse quest.
Get a figurine of a falcon from the empty sarcophagus (Inside the Tomb of Amenhotep, push button, get all sarcophagus, Indus Nile Valley).
In Ancient Egypt:
free Nedjam from the cage
Give Nedjam the figurine.
Return to the Nile Valley in Indus.
put the figurine on the Isis Altar
get essence altar
give the figurine to the ghost of Nedjam
you receive +8 dex