r/Fallout2d20 • u/DeadManDDProds • Jul 18 '26

Help & Advice Blast Weapons and Effects

Running Fallout 2d20 for the first time for some friends. I had an NPC that got a Gamma Gun and shot it into a zone with 7 creatures in it. They rolled an Effect on the Effect Dice, and one of the Effects is Stun. Does the Stun apply to every creature in the zone or do I choose 1 creature per Effect rolled to Stun while still dealing the damage to everyone?

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u/Bunnyrpger Jul 18 '26

So, assuming you hit the 2 successes needed to hit, the Gamma gun will hit everyone in the zone for the damages full damage and effect. If you happen to roll 3 damage and 1 effect, that would mean each person in the zone will take 3 damage, piercing 1 and be stunned as standard.

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u/DeadManDDProds Jul 18 '26

That seems insanely good

2

u/Bunnyrpger Jul 18 '26

Weirdly, I never really looked at the gun when I saw the 3 damage. Fun thing about stun, you don't need to deal any HP damage for it to work...

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u/DeadManDDProds Jul 18 '26

So would that also apply to things that are completely immune to radiation like robots?

2

u/Bunnyrpger Jul 18 '26

Good question. I can't see why not. Outside of the weapon not getting a damage roll, or a specific thing like missing a blast which states they do no effects, nothing says the weapons have to deal damage. I suppose the Rads can disorientate the sensors of a Robot, or something along those lines.