Warhammer 40K: Looking for dominant F

[Darthvegeta800]

I have a few ideas that are running through my head for a fun Warhammer 40K rp:

- An Inquisitor is trying to hunt down her nemesis. As she attempts to track him down, she enters in a variety of adventures.
If she is Ordo Xenos, she could encounter a wide variety of threats and might be trying to deal with a rogue Inquisitor bent on uncovering and unleashing a powerful xenos artefact. His minions but also a variety of alien dangers could be encountered as she investigates his movements.
A variant could be an Inquisitor from the Ordo Malleus who tries to track down a resurfaced demon. His cultists will stop at nothing to stop her.

- A Dark Eldar Archon tries to survive the pitfalls of Dark Eldar society. An unexpected opportunity arrives but one that has to be taken before rivals do.

- On a Daemonworld of Slaanesh a grand tournament is held by his champion and avatar, a Queen of great power and beauty. The one who remains standing at the end will be allowed to become her champion and receive a dangerous but rare gift...

-I'm certainly open to other ideas, scenario's and concepts :)