Wizard’s Obstinance, a Muto Vim spell to Resist Disruption

I was thinking about the Ars Magica Vim, and the meta-magic spell effects in Rego, Muto, and primarily Perdo Vim, which suspend or dispel a magical effect. Generally speaking these effects must exceed the level of the target spell to affect them, and they are very effective in totally neutralising the target spell. Through clever design there are also Rego Vim spells which remove magic for their duration in a target area, or suspend it (see Wind of Mundane Silence, p161 and Suppressing the Wizard’s Handiwork, p162).

So a trisky magus might design a Muto Vim effect which is cast along side another effect to strengthens the spell against such disruptions, but does not alter the target spell’s effect description, or range, duration, or target. The effect is cast as normal, and the additional Muto Vim spell raises the base level of the effect for the purposes of being suspended or dispelled by other spells.

This effect would be similar to a Wizard’s Boost (Ars p.160), but with no material change of effect. Just like Wizard’s Boost there could be a different version for each form, and there also could be a less powerful more general spell for any Hermetic Form.

The rationale for Muto Vim spell guidelines are sometimes difficult to apply, as there is a tendency to say that almost all alterations to an effect are at least considered significant, and as degree of change in this effect adds two magnitudes, it must be considered a total change according to the MuVi guidelines.

The issue I struggled with was deciding if this effect needed to be designed as a Form specific effect, or if it could be a more general spell. I decided that the best choice was to closely match the Wizard’s Boost and Wizard’s Reach spells from the Muto Vim section of the core rules, which both add +5 levels in a specific manner at a base effect: level equal to the effect +1 mag.

In the design considerations I also looked at how the desired effect of “resisting disruption” might be handled mechanically in the game. These meta-magic spells have a similarity in design, where almost any of them could be used for this effect, and I see that as not meeting the goal of this effect. The extra +5 levels should do something of note.

The version of the spell designed for specific forms, designed as a basic effect:

Wizard’s Obstinance of (Form)

Muto Vim Gen, R: Touch, D: Mom, T: Ind

This spell is cast with another spell of a level less than the level of this one. The effective level of the other spell increases 5 levels in power, but not past the level of the Wizard’s Obstinance, and the altered spell is treated as being twice it’s new level for the purposes of resisting spells to alter it further, or dispel it.

A Wizard’s Obstinance may never affect a single spell more than once. There are ten variants of this spell, one for each Hermetic Form.

(Base effect of Significant change to a spell – at level +1, +1 Touch)

Refs and links:

Strange female wizard kid spell

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