Derro's poison bolts

[B.O.B.Johnson]

I have a scenario I am prepping and it has a Derro in it. The bestiary has that it has 10 pre-poisoned bolts, but doesn't list the poison. I'm guessing it is up to GM discretion.

The scenario I am prepping for does not list the poison. It also does not indicate that the Derro doesn't have it either.

I don't want to give away any spoilers to what scenario they are in - however it is an older scenario, so it has 3 tiers: 1-2, 3-4, and 6-7. I am looking for 3 recommendations of what would be an appropriate poison for each of those tiers.

Any advice on this would be greatly appreciated.

[B.O.B.Johnson]

Disregard this. Or if you are having the same problem I was, it is actually listed in the Poison Use (Ex) ability:

Poison Use (Ex) Derros are not at risk of poisoning themselves when handling poison. They use Medium spider venom to poison their crossbow bolts, and generally carry 10 prepoisoned bolts at all times.

Also here is the poison:
Medium Spider Venom
Type poison, injury; Save Fortitude DC 14
Frequency 1/round for 4 rounds
Effect 1d2 Str damage; Cure 1 save

[Fromper]

When you have questions about how to run something in a specific scenario, it's best to look for old threads about that scenario. If nobody else has talked about that specific scenario, start a new thread, with the title of the scenario and the word "spoilers" in the title of your new thread, then ask your question there.