Powered Armor and Non-Medium Characters


Rules Questions


Pathfinder Starfinder Society Subscriber

I can't find any information on how powered armor works with charachters other than medium size. The armors have a size of their own and there's a rule that medium PA counts as a char using their own arms, but not large PA.

If a ysoki puts on a battle harness, do they count as medium? Are their cargo lifters still large?

The harder question: what about large PCs? Can they wear a battle harness? Do they become medium if they do?


Armor Size

Armor comes in different sizes for different creatures, and you might have to adjust a suit of armor to fit you if it wasn’t made for your race. A ysoki can’t effectively wear armor made for a human, and a kasatha needs to adjust armor that was made for a two-armed creature. If it’s in doubt whether a creature can fit the suit, the GM decides whether the armor needs to be adjusted. When you buy armor new, the purchase price includes any adjustments.

Adjusting Armor
If you get secondhand armor that wasn’t tailored for you, you can have it adjusted, which requires a successful Engineering check (DC = 10 + 2 × the armor’s level). Alternatively, you can spend 10% of the armor’s purchase price to have it adjusted by a professional—typically an armorsmith or anyone with multiple ranks in Engineering.


Pg. 203 Core Rulebook: Size
A suit of powered armor has the listed size, so you may take up more space when you’re wearing it.


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Yes but none of this answers the second part of the question does a large creature wearing medium power armour become medium and does a large creature in large power armour use its own arms ?


Hmmm... just a human wearing a Flight Frame counts as Huge, a ysoki wearing a Battle Harness will count as Medium.

As for Large PCs, well... they cannot shrink down to fit a smaller powered armor ^^; They might need to pay extra to adjust it to the correct size (Large Battle Harness) OR to be of a relative new size. For instance, a dragonkin might want to wear a Flight Frame that is Gargantuan instead of Huge (2 size larger than Medium).


Basically if you are bigger or smaller or just flat more alien than what the armor was designed for you would do the armor adjustment modifiers to resize the suit. Starfinder is designed with a lot of handwavium so that you can have really alien things still able to use loot with minimum of hassle.


Pathfinder Adventure Path, Lost Omens Subscriber; Starfinder Charter Superscriber

I imagine a large character wearing medium powered armor tailored for him would be treated as large.

Why overcomplicate it? The arms issue is a bigger point of discussion if you ask me.


Ravingdork wrote:
Why overcomplicate it? The arms issue is a bigger point of discussion if you ask me.

If they can readjust an armor, I think they can readjust to accomodate limbs.

You talk about a kasatha's extra arms, but a formian's extra legs or a bantrid's lack of limbs is just as problematic ^^;


I see Bantrid power armor as being a little tank. It operates the treads by spinning its ball.


Pathfinder Adventure Path, Lost Omens Subscriber; Starfinder Charter Superscriber
Dracomicron wrote:
I see Bantrid power armor as being a little tank. It operates the treads by spinning its ball.

Just like Bonapart! lol!


Pathfinder Starfinder Society Subscriber
Ravingdork wrote:

I imagine a large character wearing medium powered armor tailored for him would be treated as large.

Why overcomplicate it? The arms issue is a bigger point of discussion if you ask me.

In a home game, I think that would be an easy ruling. I do society play, so getting some consensus is important: I'd like to know how my char works when I show up at the table.

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