Revisiting Spell Law: Spell Casting Mechanics Pt. 1

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There has always been basic indications that the Rolemaster spell realms operate under different mechanics. Essence and Channeling are affected by armor, Mentalism by helms, verbal and hand gestures are necessary components of Essence but not so much Mentalism etc. At the same time, the general casting mechanics of 3 rounds for most spells were uniform across the three realms without any serious mechanical differences.

Most of these rules were more the result of built in game tropes, the need for “balance” and to facilitate gameplay (combat) than any rigorous attempt at realm differentiation. During our Spell Law rewrite (Project BASiL), we started from scratch—deconstructing the various spells, powers, categories and casting requirements and then rebuilding spells and realms in an intuitive and organic fashion.

A few questions, points & thoughts we had at the start:

  1. Should each realm have better differentiation in spell powers? All three realms share a number of common lists: spell defense, movement etc. Wouldn’t it be better to have more unique & separate abilities for each realm? Do realms need better guidelines for spell power assignment?
  2. Are Alchemist spells really “Essence” realm. The imbedding spells don’t really work as a typical Class I-III spells and imply a number of other factors (materials, crafting, time etc).
  3. Do Symbols, Runes, Signs, Glyphs etc require different casting requirements since their casting depends on writing/inscribing?
  4. Do Bard spells fit into Mentalism (or Essence) when their efficacy is based on a performance?
  5. Do Illusions depend on the casters memory to properly reconstruct an image? How does that work into the SCR?
  6. What is the verbal/hand component of spellcasting? Do spell books come in a variety of languages? Is the verbal component a native tongue or something else?
  7. Should casting times be broader than 1-3 rounds?
  8. Why can’t spell users learn spells from multiple realms? Does this really create a “balance” issue?
  9. Do PC’s really need a realm assignment? Do PP’s really come in 7 varieties? (essence, ment, chan, ess/chan, ess/ment, ment/chan, arcane). Does that make sense? Do PC’s need separate pools of spell casting power for each of those? Do PP multipliers need to be tuned to 6-7 different power flavors? How does that tie into magic item creation? Why?
  10. Why is Alchemy “Essence”? Channelers can’t make magic items? Should Mentalism powers be subject to imbedding?
  11. How much of Spell Law is setting specific? How much needs to be?

Some of these issues have been partially addressed in companions or touched upon in RMU but these are all add-on rules that created one-off situations rather than a cohesive foundation for the Spell system.

For us the solutions mostly presented themselves. Our first step was to reclassify spell “Realms” based on the casting mechanics and the boundaries and scope of the realms powers. This required re-defining and expanding on the 3 traditional “realms”.

Realm Scope of Power Casting Ancillary Skill
Essence (Conductive) Elemental, physics, physical manipulation Verbal, Gesture, sensitive to encumbrancde Magical Language
Channeling Miraculous, spiritual, spirit manipulation, lifeforce Verbal Plea Prayer
Mentalism Single target, mind related, self enchancement Concentration Mental Focus
Imbedding (Investiture) Imbedding magic into physical objects Repetition Power Points, maybe crafting
Written (Inscribed) Wards, protection, summoning, defense, triggered Quality, accuracy, durability of inscription, Rune Skill: runes, glyphs, symbols, circles, wards, signs, tattoos
Performance (Rendered) Mass effects, mood, behavior, control Verbal, visual, sound, perceptual Performance skill: music, instrument, singing, dance etc
Intrinsic (Natural Magic) Setting/Ecology At will, focus Depends/none
Incidental (Cantrips) Minor Focus None

 

Once we built this basic framework we could develop specific casting rules and create new spells that easily dropped into their appropriate “realm”. This also facilitates a scalable process of introducing new or unique lists, setting specific magic or even build new Realm categories as needed without trying to shoehorn into the limitations of the original Essence, Mentalism or Channeling paradigm.  Some examples are Moon Magic, Warrens(Malazan), Blood Magic, Arcane, Spirit/Totem etc).

In Part II we’ll start with Essence.

6 Replies to “Revisiting Spell Law: Spell Casting Mechanics Pt. 1”

  1. I have seen you posting a lot of BASiL information on the forums but case it was under the Shadow World heading I never bothered with it (not being a shadow world GM). It sounds quite interesting and a massive task!

    Have you chopped up all the companion and supplement spell lists as well?

  2. Yes, Project BASiL has been quite the project!

    1. Optional rules for SCR’s and spell acquisition.
    2. Spell lists are grouped by similarity and power.
    3. Optional rules to use spells with professions, archetypes (non, pure, semi) or No Profession. (includes a chart to assign the new lists to current, companion and RMU professions).
    3. Expanded lists: 60 Essence lists, 55 Channeling and 50 Mentalism, plus another 30 lists for alchemy (imbedded magic), written magic (runes, symbols, glyphs, signs, sigils), performance magic (songs, tales, music, dance and art) and intrinsic magic (Fae or natural Magic).
    4. Consolidated spells that eliminated redundancy and useless filler spells.
    5. Many lists include spells to 25th lvl (not 20th)–over 4000 total spells.
    5. Created greater power/ability distinctions between the different realms.
    6. Over 50 “cantrips”
    7. Optional rules governing magic items and magic item creation
    8. New simplified alchemy rules for creating substrates, special compounds, glues, munitions, acids etc.

    1. I’m reworking Arcane magic into scalable spells. The thought process being that Arcane was more flexible (and raw) before magic was systemized into lists.

  3. I realy like the idea of scalable spells but at the some time I like some of the quirky one off spells that you find in the lists.

    I also find the lists have more ‘flavour’ to them and are more likely to inspire a desire to play a character or have an NPC that specialises in a particular list.

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