A thought on affecting spells with requisites, a meta-magic question for Ars Magica

An aside – How do requisites affect which spells can be affected by magic?

A question raised during the forum discussion asked if a Muto Vim effect could change a spell enough to make it no longer effected by a Perdo Vim form specific effect. e.g. A Sun duration Rego Terram effect is altered to a Rego Aquam effect at cast time – can a Perdo Vim/Terram spell affect it if it has “changed” the form it uses? Further could the same Perdo Vim spell affect only Terram spells, or can it also affect spells with a Terram Requisite?

I tend toward thinking a spell with a Tech and two Forms can be affected by either Form specific dispel effect. The unraveling affects part of the spells structure and it doesn’t really matter which form it unravels to make the spell loose it’s cohesion. This makes requisites a slight disadvantage, and implies that some part of the original spell is still there to be unraveled.

But I hold the same concept to other ways of affecting spells it also introduces an advantage to Mu effects affecting the Forms too. i.e. a Muto Vim Terram spell to alter Range up by 1 mag can be applied to any spell using Terram, either as the base form or a requisite. I don’t see adding breadth of application into Vim spells as unbalancing.

vale

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A floating book, all a wizard needs

An item of fancy and indulgence for those Magi who insist on looking the part and being most prepared. It might also make a good justification for a lab improvement item with a focus on texts or reading. This is a similar function to the Bookstand of Hespera (Covenants, pg 121) except it affects just a book rather than a place to write and work. More purposeful for reference and study instead of creation. It will also cause warping in the target books over a long period.

Bookmark for a Text at Hand  (ReHeAn 25) is a small plate which is touched to the desired text and allows the text to float as the caster desires.

Ready an Attentive Tome

Rego Herbam / Animal 15, R: Touch, D: Concentration, T: Individual

The targeted book, scroll, or text floats next to the caster and can be set in position via concentration.

(Base 5, +1 Touch, +1 Concentration)

(+5 Device maintains concentration, +5 for 24 uses per day)

With a final device level of ReHeAn 25 the devices are still cheap enough to be crafted by more junior magi, and may well be used as lab texts for an inexpensive boost to labs. The bookstand from covenants “adds two points to a specialisation in texts“, and has a slightly higher baseline although lower final level. This device is designed to that it can be used to direct many books at once, each sustained by the bookmark and controlled by the user’s concentration. It makes sense that it would offer a similar bonus and also have a more diverse application than a singular bookstand.

Rapid growth of a natural grove, room, or wall

This is a spell which rapidly grows a set of trees, cast on an existing seeds or saplings, allowing their branches to intertwine to the caster’s design. The intent is to cast upon many plants at once to imitate rooms, walkways, barriers, etc. Spells which do this are frequently high level as the smallest base effect is level 15, and from there the magnitudes stack quickly. A subtle caster may mark trees amongst a wider set with a sigil or paint so they can be easily identified as a Target: Group.

Although it would only be a note in the setting, the same spell could be used to guide the rapid growth of plants such as grape vines or fruit trees on farms in a manner which makes them easier to manage.

Growth of the Structured Grove

Creo Herbam / Rego 45, R: Touch, D: Sun, T: Group

The targeted seeds and saplings mature over the day duration to their adult size in an alignment and layout to suit the casters desire. Branches may be intertwined, leaves given favorable angles, and limited only to the broad fundamentals of their plant type.

(Base 15, +1 Touch, +2 Sun, +2 Group, +1 Rego sub-effect which dictates shape)

This spell is part of the free new spells compendium for Ars Magica.

More spells and items for lab improvement, p4

For November 2017 Ars Magica writing challenge – I’m doing one spell a day.

Warmth of the Cozy Solar

Creo Ignem 15, R: Touch, D: Concentration, T: Room

This room is provided a pleasant heat, granting the Superior Heating attribute to a lab (Cov p.114).

(Base 2 for warm to touch, +1 Touch, +2 Concentration, +2 Room)

Device effect total 14 (+1 for 2 Uses/day, +3 trigger: sunrise/sunset)

This spell is part of the free new spells compendium for Ars Magica.

More spells and items for lab improvement, p3

For November 2017 Ars Magica writing challenge – I’m doing one spell a day.

Touch of Daylight 

Creo Ignem 10, R: Touch, D: Concentration, T: Individual

The object touched shines like the sun on a cloudy day. If used often within a lab it grants the Superior Lighting attribute (Cov p.114) without the upkeep cost

(Base 4 for light of a cloudy day, +1 Touch, +1 Conc)

Device effect total 20 (+5 Device maintains concentration, +5 for 24 uses per day)

This spell is part of the free new spells compendium for Ars Magica.

More spells and items for lab improvement, p2

For November 2017 Ars Magica writing challenge – I’m doing one spell a day.

Insulation for the Dedicated Halls

Perdo Imagonem 25, R: Touch, D: Sun, T: Structure

This effect stops any sounds from entering or leaving the structure, granting the “Well Insulated” lab virtue (+1 Safety, +1 Aesthetics).

(Base 3 to remove sound, +1 Touch, +2 Sun, +3 Structure)

Device effect total 29 (2 uses per day +1, environmental trigger +3 = constant)

This spell is part of the free new spells compendium for Ars Magica.

Spells to Observe Through Fire

A few spells akin to Eyes of the Flame (InIg35, ArM p.141) which enhance the range of observation a Magus can perform, and also demonstrate a fair use for the Faerie Duration: Fire. When writing these spells I found the Fire duration limiting and overtly expensive in tersm of how many levels it adds to spells. It really should not be a +3 Magnitude adjustment given how limited the mechanics of its use are, and how rarely it is used in-play.

Ears of the Flame

Intellego Ignem 35, R: Arcane, D: Concentration, T: Individual

Lets you hear a fire and anything within its radius of heat and light up to the size of a large campfire which you have an Arcane Connection to.

(Base 10, +4 Arc, +1 Conc)

And then,

Ears of the Faerie Flame

Intellego Ignem 45, R: Arcane, D: Fire, T: Individual, Faerie

Lets you hear a fire up to the size of a large campfire within its radius of heat and light which you have an Arcane Connection to, while it still burns.

(Base 10, +4 Arc, +3 Fire)

Then two variants designed for use with an Intangible Tunnel which makes the spell far lower level.

Eavesdrop by the Fire

Intellego Ignem 25, R: Touch, D: Concentration, T: Individual

Lets you see and hear a fire up to the size of a large campfire within its radius of heat and light which you can touch. The intention is to combine this spell with an Intangible Tunnel to a particular fire.

(Base 10, +1 Touch, +1 Conc, +1 additional sense)

Eavesdrop by the Faerie Fire

Intellego Ignem 35, R: Touch, D: Fire, T: Individual, Faerie

Lets you see and hear a fire up to the size of a large campfire within its radius of heat and light which you can touch. The intention is to combine this spell with an Intangible Tunnel to a particular fire.

(Base 10, +1 Touch, +3 Fire, +1 additional sense)

Over 650+ new spells for Ars Magica can be found here.