DF Felltower Spellstones further rulings

There are a bunch of rules about spellstones in this post – I’ll duplicate them here, to save clicking around when my players search.

Spellstones

Crushing a spellstone takes the Concentrate maneuver. However, unlike most spells, you can crush a spellstone while grappled if you have it ready and the hand holding it can potentially crush the stone given the circumstances (which is usually the case.)

You must crush it willingly to complete the spell. You must crush it with your hand and will it to activate, it can’t be done accidentally.

You cannot crush more than one spellstone at a time. It takes a full second’s concentration to complete the action.

You can hold them in your mouth, but remember, they’re small (1-5 carats for 1-5 power). You will have issues if you’re wearing hand armor beyond light (cloth or light leather) – this may require a DX roll with Ham Fisted modifiers.

You cannot learn Fast-Draw (Spellstone.) They’re too small.

You cannot hold one ready in the same hand as another item unless you have the “Third Hand” perk.

You cannot use a spell stone on another person by crushing it against them. Known Exceptions: Gem of Healing, Gem of Awakening.

Only Wizardly magic can be made into spell stones, with the exception of the Awaken spell. Gems of Healing and Gems of Awakening are made by the church in some secret process, and are available for sale.

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Here are the additional rulings/frequency asked questions:

You can’t put maintenance costs into a stone. It’s just a one shot, base duration spell. You are not able to, say, buy a 4-point powerstone that contains 3 rounds of maintenance for a 1-energy spell.

You can buy an Area spell with a larger than 1-hex AOE, or Missile spells with larger sizes, or Resist Fire at a higher level of flame resistance, or similar improved castings.

You cannot maintain the spell yourself, since you are not the caster.

Unlike GURPS Magic, which specifies that the spell is cast (against the Power level of the enchantment) on the turn after you activate the stone, in DF Felltower the spell takes place immediately – in other words, on the turn in which you Concentrate and activate the spellstone. That can make them more effective, but means spells that require an action to effectively use must have a duration longer than one second in order to be useful.

Finally, although the parlance in my games is to “crush a spellstone” the actual verb phrase is to “Concentrate and activate a spellstone.” I understand what is meant, but a lot of the “can’t I?” questions come from assuming “crushing” is the goal – can I hit it with a hammer, can I put one on the tip of a blunt arrow and shoot it at someone, can I bite one with my teeth, can I crush more than one, etc. It’s more like reading a scroll or activating a wand or staff or special ability – it takes Concentration and, in this case, a specific hand action – holding a stone in the hand. A good number of FAQs are self-answerable by changing the verb phrase to the most accurate one.