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Can a magic user make a weapon for anyone to use? Specifically, a weapon that shrinks down to a pendant so that the non-magic person can carry it with them and call upon it at will.

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    \$\begingroup\$ Can? Yes. Is it easy/is there an established way to model this mechanically? Not so much. But DFRPG is nothing if not flexible. \$\endgroup\$ May 14, 2012 at 4:00
  • \$\begingroup\$ Is this for temporary use or permanent use? \$\endgroup\$
    – Chuck Dee
    May 14, 2012 at 14:45
  • \$\begingroup\$ Is weapon need to be physical one or conjured from magical energy good too? \$\endgroup\$
    – aardvark
    May 16, 2012 at 17:34

2 Answers 2

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Yes.

"The strength of an enchanted item may be reduced by one to make it usable by someone other than the caster, such as a magically armored coat that anyone can wear." [YS 279]

To shrink a weapon would transform it from one size to another, so we must check "Transformation and Distruption" under Thaumaturgy [YS 282]. By the base description, it works via compelling "consequences" of the target. If we reference the basic rules on breaking things [YS 320] - "assume that an item has 2 stress boxes, modified by the item quality… most items do not suffer consequences" — if we can "take out" the item, we can assume that it has magically transformed from one form to another.

Let's assume that we had a Good(+3) Sword (4 stress boxes).

Enchanted item power:

  • +5 power to takeout item (or +8 if we consider that the item can resist transformation by rolling its quality rating, but this is too complicated)
  • +1 power to make usable by anyone else

This gives us Enchanted Item with +6 Effect.

So now we need a wizard to contribute his slots for this item who's able to place a +6 effect into 1-4 Enchanted Item slots [YS 287] giving us a size of "No smaller than Ring(ear or finger)".

How many slots will it cost an ordinary wizard? Great(+4) Lore wizard can pull this by exactly 4 Enchanted Item slots.

Slot breakdown:

  • 1 slot for +4 Effect
  • 3 slot for +6 Effect
  • 4 slot for +6 Effect usable by anyone else.

By default, this item can be used once a day to transform a ring-sized object into a Good Sword. If you want to use it more than one time a day, you have two routes:

  1. Practitioner can make additional use by taking one point of mental stress per use. [YS 280]
  2. Use a sword of lesser quality. This will make the sword less resistant to magical change, so the effect can be changed to permit more uses per day.
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  • \$\begingroup\$ I haven't seen you around here yet, so welcome to the site! And this is a really good answer on one of my favorite games, too! \$\endgroup\$
    – gomad
    May 16, 2012 at 18:06
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The easiest way to handle this is to have an item at character creation (the permanent kind that takes up 2 slots of gear as oppose to the consumable that takes 1) with that as a sole effect. Unfortunately I can't think of any way to do this from what I've read of the rules other than to spend a Refresh to be the bearer of the object, and unless it is bought with the next Milestone it will be inexplicably gone by the next adventure.

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