I was looking through the rogue trader book and in it there is the untouchable package which lowers the psi rating of psykers around you for each rank you possess in it. What happens to a psyker if an untouchables rating exceeds his psi rating?


2 Answers 2


TLDR the psyker is screwed.

First of all, does Rogue Trader actually have an untouchable package? I only see it in the Radical's Handbook and that's a Dark Heresy source.

Rogue Trader mentions it in a table on page 172:

Untouchables: An Untouchable reduces the Psy Rating of any psyker (within 5 metres) by 5. All other rules for Untouchables are unchanged.

The Rogue Trader rulebook doesn't mention any specific issues with negative psy rating, and neither does the errata.

But keep in mind a few things:

  • You add psy rating x5 to your focus power test, and with a negative effective psy rating that's a penalty. You are much more likely to fail.
  • Most of the powers will have no effect with psy rating of zero or lower because it acts as a multiplier on a base figure for range or damage.

Personally, I'd rule that one needs at least 1 in effective psy rating to actually manifest a power, and that trying to manifest a power while at zero or less effective psy rating leads to a psychic phenomena.

Note that effective psy rating can be boosted by a push back to positive numbers, so there is still hope for a psyker near the untouchable.


WarP disruPtion

Often a Psyker can sense that an Untouchable is lurking nearby simply through the lessening of his own Warp-based powers. Feeling his psychic abilities drain away, he knows his own death is perhaps close as well.

Tier: 2
Prerequisite: Willpower 45
Aptitudes: Perception, Willpower
Effect: All characters with a psy rating within WPB metres of the character reduce their base psy rating by 1 while they remain within range. Characters reduced to a psy rating of 0 cannot use any psychic powers.

  • 1
    \$\begingroup\$ I'm not really familiar with the system, but I can't say I see how this answers the question. It seems to be just a copy of a character option without any added explanation. Is this invoked, enabled, lost, or something else when the question's conditions occur? You should edit this to fully explain the logic of your answer. \$\endgroup\$
    – Someone_Evil
    Sep 9, 2020 at 17:20
  • \$\begingroup\$ Oh, and Welcome to RPG.SE! Take the tour if you haven't already and see the help center or ask us here in the comments (use @ to ping someone) if you need more guidance. Good Luck and Happy Gaming! \$\endgroup\$
    – Someone_Evil
    Sep 9, 2020 at 17:20

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