Speak to Harshaa again once the madmen have been defeated.
Slay The Prophet in the Sinking Sands, spawned by killing the four packs of desert lunatics around the altar at ( -651, -105, -514 ) Copy/waypoint -651, -105, -514.
Examine the altar.
Speak to Harshaa again.
Return to Planetologist Ahkar, who will direct you to recover some artifacts from the Samiel Pirates.
Stow away on board the Samiel Pirate ship by hiding in a box in the Sinking Sands at ( -2164, -228, -24 ) Copy/waypoint -2164, -228, -24. This will zone you into the instance A Samiel Pirate Ship.
Destroy the Legions of Rahotep. This is a group encounter: a tank and healer of at least level 60 is recommended for this group. There are approximately 24 level 55^, ^^ and ^^^ undead creatures, followed by Rahotep himself (55 Epic x2).
Begin the encounter by approaching ( -281, -139, -1171 ) Copy/waypoint -281, -139, -1171 in the Sinking Sands.
When Rahotep's health reaches 50%, he will heal back to 100%
Warning: The Rahotep event will begin immediately when someone on that step of the quest nears the listed location. The event will despawn relatively quickly and the respawn time after failure is approximately 20 minutes.