I was just in the desert, this stone camp respawns very quickly,
With a shadowknight cutting them down ASAP (F8, /pet attack, repeat)
I could loot 3-5 mobs and hear the first repop already attacking.
Had Rahotep spawn 3 times back-to-back but in different places in camp.
Missed him once, then the next cycle was was up. I left him there.