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Old 06-24-2013, 09:27 AM   #1
GregGlenNye
 
Join Date: Jan 2013
Default Walking into Persistent AOE

when is the effects of persistent AOE triggered? if a character walks through 3 yards of fire, does he take damage as he enters the first hex? Every Hex? at the end of the entire movement? does he take damage at the start of his turn if he is currently within the effect? also what would be the +% if i wanted to have a persistent AOE innate attack that applies it's effect for every Yard someone moved through?
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Old 06-24-2013, 10:11 AM   #2
Nereidalbel
 
Join Date: May 2013
Location: Ellicott City, MD
Default Re: Walking into Persistent AOE

Unless an effect requires more than just touching it, such as a respiratory agent, the effect is immediate and then every second you remain in the area.

If you want to basically make every yard cause the effect, you would need a rapid fire (possibly bombardment) to blanket an area with 1 yard hexes. Possibly add a Cosmic effect to ensure a uniform spread instead of rolling for holes in the effect.
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Old 06-24-2013, 12:16 PM   #3
GregGlenNye
 
Join Date: Jan 2013
Default Re: Walking into Persistent AOE

I am not sure how applying cosmic with bombardment would create the effect. ill describe the ability i wish to create further. it's an innate attack that produces a 2 yard radius of small Force Bubbles. each bubble produces a small amount of force and individually their effect is negligible, however in thick concentration, a being inside the effect or trying to walk through causes a small amount of damage and a loss of some of their movement if they fail a HT roll.

so what i have so far is as follows
1 point crushing damage(.25 * 5 = 1.25 = 2)
Area Effect (+50%)2 yards
Persistent(+40%) 10 seconds
Emanation(-20%)
Drifting(+20%)
applies once for every yard(+?%)
slows movement by 1 every yard(+?%) on a failed HT roll

I also don't know the cost of slowing movement...
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Old 06-24-2013, 06:23 PM   #4
Nereidalbel
 
Join Date: May 2013
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Default Re: Walking into Persistent AOE

Affliction: Disadvantage (Reduced move) gets your slow. Make the %cost match the point value of how many levels of reduced move you want. Also, get Cumulative if you want the slows to stack.
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Old 06-24-2013, 06:28 PM   #5
vierasmarius
 
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Default Re: Walking into Persistent AOE

For damage, I'd price it at the highest cumulative damage you want the attack to inflict (ie, for complete immersion for a full second, or moving across the entire area). Add a limitation if partial or shorter-duration exposure does less than full damage. In this case, because a subject could limit the damage they take by simply not moving, the limitation would be a bit higher.
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Old 06-24-2013, 07:56 PM   #6
kirbwarrior
 
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Default Re: Walking into Persistent AOE

Quote:
Originally Posted by vierasmarius View Post
For damage, I'd price it at the highest cumulative damage you want the attack to inflict (ie, for complete immersion for a full second, or moving across the entire area). Add a limitation if partial or shorter-duration exposure does less than full damage. In this case, because a subject could limit the damage they take by simply not moving, the limitation would be a bit higher.
So, have the attack have a base 3 damage, then a limitation that let's the victim figure out how to take less damage. Oh, and maybe something akin to AD for 'you take 1 damage each yd' because armor will apply to the attack three times.
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While I do not think that GURPS is perfect I do think that it is more balanced than what I am likely to create by GM fiat.
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Old 06-24-2013, 08:00 PM   #7
Nereidalbel
 
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Default Re: Walking into Persistent AOE

Quote:
Originally Posted by kirbwarrior View Post
So, have the attack have a base 3 damage, then a limitation that let's the victim figure out how to take less damage. Oh, and maybe something akin to AD for 'you take 1 damage each yd' because armor will apply to the attack three times.
Malediction will ignore DR just fine. Sure it allows a resist roll, but it also beats hardened.
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Old 06-24-2013, 08:01 PM   #8
vierasmarius
 
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Default Re: Walking into Persistent AOE

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Originally Posted by kirbwarrior View Post
So, have the attack have a base 3 damage, then a limitation that let's the victim figure out how to take less damage. Oh, and maybe something akin to AD for 'you take 1 damage each yd' because armor will apply to the attack three times.
Hmm, yeah. I'd treat it similarly to Variable Costs FP, where you base the limitation value on the average for all levels of the attack. It's a little more complicated though, because unlike Costs FP its not a linear progression.
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Old 06-24-2013, 10:17 PM   #9
kirbwarrior
 
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Default Re: Walking into Persistent AOE

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Originally Posted by Nereidalbel View Post
Malediction will ignore DR just fine. Sure it allows a resist roll, but it also beats hardened.
But in my example, you would have to roll three times to succeed.
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