Hands and Spell Components


Rules Questions


I'm building a Living Grimoire Inquisitor which has a special book which is both a melee weapon and a divine focus.

I've seen conflicting statements regarding whether or not the same hand used to hold a divine focus can be used to perform somatic spell components, so, can I use the hand that is holding the book to also perform the somatic components?

If not, can I switch the book to another hand as a free action and then back as another free action after casting a spell if the other hand is holding a light shield (can't perform somatic components but can still hold items other than the shield in that hand)?


The switch back and forth thing is how clerics cast, so it should work for you


Cool. Just need to use a Light Shield then.


But the book IS the focus, right? Unless you can use a focus held in your shield hand, I don't think that works.


toastedamphibian wrote:
But the book IS the focus, right? Unless you can use a focus held in your shield hand, I don't think that works.

Why couldn't you use a Divine Focus that way? the Light Shield description says you can hold items in your shield hand.


I'm not saying you can't. I thought you needed to be able to hold and manipulate it, same as for somatic components. But I am far from convinced.


toastedamphibian wrote:
I'm not saying you can't. I thought you needed to be able to hold and manipulate it, same as for somatic components. But I am far from convinced.

Thanks. I never play divine casters so I'm not sure about the rules for their use. For material components I don't know of any cases where the ability to hold them doesn't also mean the ability to manipulate them, but maybe Divine Foci work differently.

I do know that the Birthmark Trait is a popular way to avoid the problem of not having hands free. From the Living Grimoire description it seems like the Birthmark might not be an option.


Yes the same hand can be used for the somatic and material components. You only need 1 free hand. That is how clerics and druids who will likely have a weapon are also able to cast spells. Otherwise they would have to drop the weapon to cast the spell.

If they have shields, only bucklers allow manipulation of items. For other types of shields they can't cast spells if they also have a weapon, but most GM's ignore that rule.

buckler wrote:


You can cast a spell with somatic components using your shield arm, but you lose the buckler's AC bonus until your next turn.

Light and heavy shields do not have that allowance in their writing. Light shields only allow you to hold items, not to use somatic components.


Gisher wrote:


Thanks. I never play divine casters so I'm not sure about the rules for their use. For material components I don't know of any cases where the ability to hold them doesn't also mean the ability to manipulate them, but maybe Divine Foci work differently.

Found the spot where it is mentioned. I haven't ever had it come up. If "Able to Hold" or "Able to use for Somatic Components" is the necessary benchmark, I can't really says. I know in 3.5 a light shield prevented you from using that hand for material components and foci.

Quote:
To cast a spell, you must be able to speak (if the spell has a verbal component), gesture (if it has a somatic component), and manipulate the material components or focus (if any). Additionally, you must concentrate to cast a spell.

At any rate, the BOOK is your Focus. You can use the hand that is holding your focus and material components to also provide your Somatic Component.

The OP does not have to put his book in his shield hand. He can use a tower shield if he wants. He has one hand free to manipulate his focus, material components, and somatic components: the one that is holding his focus. A focus it just so happens he can smack people with.


toastedamphibian wrote:


Quote:
To cast a spell, you must be able to speak (if the spell has a verbal component), gesture (if it has a somatic component), and manipulate the material components or focus (if any). Additionally, you must concentrate to cast a spell.

At any rate, the BOOK is your Focus. You can use the hand that is holding your focus and material components to also provide your Somatic Component.

The OP does not have to put his book in his shield hand. He can use a tower shield if he wants. He has one hand free to manipulate his focus, material components, and somatic components: the one that is holding his focus. A focus it just so happens he can smack people with.

Can you provide me with the specific text that says I can both manipulate the focus and perform the somatic component with the same hand?


Wraithstrike wrote:
If they have shields, only bucklers allow manipulation of items. For other types of shields they can't cast spells if they also have a weapon, but most GM's ignore that rule

Someone with a light shield can hold something in their hand (but not wield it) , and its generally considered a free action to pass left cast pass right.


Golurkcanfly wrote:

Can you provide me with the specific text that says I can both manipulate the focus and perform the somatic component with the same hand?

Nope!

Scarab Sages

Golurkcanfly wrote:


Can you provide me with the specific text that says I can both manipulate the focus and perform the somatic component with the same hand?

Do you one better. Can you find me text that says you need to physically be holding in your hand, your focus for a spell you cast? You need to have the focus, but holding it isn't required as far as I can tell. Divine Foci may be different, for a normal Focus there is no holding requirement as far as I can tell (unless stated in the spell). You need to have the focus, but holding in hand is not part of the description for a Focus component to spells in the magic section.


Not actually helpful. His weapon is his book, which is his focus. He is already holding it.

Scarab Sages

toastedamphibian wrote:
Not actually helpful. His weapon is his book, which is his focus. He is already holding it.

My point is that he doesn't need a rules quote regarding the ability to use a somatic component in the same hand as the focus because there isn't a rule that requires the focus to be held in the first place.

He needs one hand free for somatic components and that's it. If the hand isn't free, then it isn't free.

If he chooses to wield the book, he can and that would occupy a different hand, but he could also just have the book on his person, to act as a focus. He shouldn't need to be actively wielding the book in order to count it as a focus. Though that may be a special rule of his book (like arcane bond).


Golurkcanfly wrote:
Can you provide me with the specific text that says I can both manipulate the focus and perform the somatic component with the same hand?

If you needed one hand for material components and another hand for somatic components, that would have major implications for gameplay. For example, metamagic rods would be a lot less useful, because most spells have both material and somatic components, so unless you had a third hand you couldn't hold the rod. I've never heard of anyone playing it that way.

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