Hi all! I'm currently trying to hack Modiphius's 2D20 system for use with Dark Heresy. I'm currently working on the character creation portion. I would like for each homeworld to offer 2 different special powers to choose from when creating a character.. I'm having a bit of difficulty thinking of powers for everything, though. I want these powers to basically serve once per session abilities the character can use. Here's what I have so far:

Feral World:

[A]You may treat any improvised weapon as a more powerful weapon (I'll write up exact stats for it later)

You may ignore all difficulty penalties from a single type of environmental effect for an encounter.
Forge World:

[A]You are able to instantly repair a broken piece of current human technology

You can jury rig a piece of equipment and ignore penalties from not having it for an encounter.
-Hive World:

[A]Gain a bonus momentum (like an extra success) while in the same zone as 2 more allies for an encounter

Find a contact of any kind that might be in a location
-Shrine World:

[A]Ignore fear effects during an encounter

Gain soak against mental attacks
-Highborn:

[A]Automatically acquire a single item or service once located

-Voidborn:

[A]

Any ideas on some alternatives?

I'm also going to have the same two choice special power for backgrounds. Any suggestions on good or cool abilities for the following?

Normal Citizen :
Schola Progenium:
Guardsman:
Mechanicum:
Ministorum:
Arbites:
Administratum:
Voidsman:

Assassin:

I'm not yet familiar with Modiphius's 2D20 system, so there won't be much crunch here. Here are my best ideas though - I hope that you find them useful.

Voidborn or Voidsman: Reduced penalties for fighting in Zero gravity.

Highborn: Reduced penalties for failing social tests, or ability to Intimidate based on social characteristics.

Schola Progenium: Something that protects their mind against heresy (a bonus to tests to resist taint or possession), and some extra weapon trainings (and bonuses with hot-shot lasguns and pistols).
Guardsman: Bonuses to acting as a team in combat (shooting the same targets as an ally), and something reflecting a firing drill (like increased las weapon damage if you crouch and don't move)
Ministorum: Something like Hatred and the ability to hand it out through speeches + increased potency of flame weapons.

Assassin: Better Crits, and maybe increased damage if their target is not aware of them. SNEAK ATTACK!

Voidborn or Voidsman: Can automatically find their way to any key location on a voidship or void station (bridge, engineering, etc.) by either the shortest route or the most covert route (utilizing air ducts, maintenance crawlways, etc.)

Guardsman : Can automatically pass one test to resist the effects of physical or mental fatigue / stress.