Huge magical sword's hit points?


Rules Questions


If one has a greatsword that is both huge-sized and has an enhancement bonus due to magic, does one multiply its hit points first, then add, or add first, then multiply?

And does the "multiplier rule" mean that it only triples its hit points on the multiplier (x2 + x2 = x3) or is this a "physics" thing so the hit points are x4 for being 2 size categories up, and hence two doublings?

Liberty's Edge

Particle_Man wrote:

If one has a greatsword that is both huge-sized and has an enhancement bonus due to magic, does one multiply its hit points first, then add, or add first, then multiply?

And does the "multiplier rule" mean that it only triples its hit points on the multiplier (x2 + x2 = x3) or is this a "physics" thing so the hit points are x4 for being 2 size categories up, and hence two doublings?

Each size category bigger the size of things doubles from the previous so you would doubling the size of a large which is in turn doubled up from medium.

Meaning your Masterwork/Mundane Steel Greatsword has a hardness of 10 and 40 Hp.


Themetricsystem wrote:
Particle_Man wrote:

If one has a greatsword that is both huge-sized and has an enhancement bonus due to magic, does one multiply its hit points first, then add, or add first, then multiply?

And does the "multiplier rule" mean that it only triples its hit points on the multiplier (x2 + x2 = x3) or is this a "physics" thing so the hit points are x4 for being 2 size categories up, and hence two doublings?

Each size category bigger the size of things doubles from the previous so you would doubling the size of a large which is in turn doubled up from medium.

Meaning your Masterwork/Mundane Steel Greatsword has a hardness of 10 and 40 Hp.

So the "multiplying rule" doesn't apply?

And doesn't magical enhancement also add to the hit points of the sword? If so, do I multiply first, then add, or add first, then multiply?


Particle_Man wrote:
Themetricsystem wrote:
Particle_Man wrote:

If one has a greatsword that is both huge-sized and has an enhancement bonus due to magic, does one multiply its hit points first, then add, or add first, then multiply?

And does the "multiplier rule" mean that it only triples its hit points on the multiplier (x2 + x2 = x3) or is this a "physics" thing so the hit points are x4 for being 2 size categories up, and hence two doublings?

Each size category bigger the size of things doubles from the previous so you would doubling the size of a large which is in turn doubled up from medium.

Meaning your Masterwork/Mundane Steel Greatsword has a hardness of 10 and 40 Hp.

So the "multiplying rule" doesn't apply?

And doesn't magical enhancement also add to the hit points of the sword? If so, do I multiply first, then add, or add first, then multiply?

Correct on the first, but not sure on the second. The multiplier does not apply here, and adding enhancement bonuses did add hit points, I don't know now as I can't find it on PRD.

Also note that a sundering weapon needs to be of equal or greater enhancement + to be able to sunder your weapon.

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