Enslavers inhabit the Warp and possess psykers as Daemons do...so what differentiates the two?
Possible, but I imagine the Enslavers are little more complex, and they do live in the warp.this is my fan idea:
the enslaver species originated in real space, hence they are xenos and not daemons
somehow their ancestors evolved the ability to mass reproduce in the Warp
once an enslaver reaches maturity in real space, it enters the Warp, rapidly duplicates itself numerous times, and then promptly dies. Its spawn possess the minds of hapless sentient beings and enter real space, where they mature and the cycle continues...
are they from the rpg?Possible, but I imagine the Enslavers are little more complex, and they do live in the warp.
Apart from the duplication, that life-cycle is similar to Psychneuin, which are a corporeal species that uses the warp for travel and, um, reproduction...