If I multiclass into 2 or more spellcasting classes, how do I determine my known/prepared spells?

If I multiclass into 2 or more classes/subclasses that can cast spells, how do I determine what spells I know or can prepare?

For instance, if I am playing a multiclassed character with 1 level in warlock, 2 levels in bard, and 3 levels in paladin, how do I determine which spells I know/have prepared?


There are many questions on RPG.SE asking about individual multiclassed combinations of spellcasting classes, but there was no question covering the general case for all of these questions to be marked as a duplicate of. Questions should only be marked as a duplicate if they are asking the same thing, or if one question is entirely a subset of the other. Previously, there was no such general question about this topic; thus, as I suggested on meta back in January, I went ahead and asked this question.


Related:

  • Can a multiclass character use either of its spellcasting modifiers for spells?
  • Can a multi-class spellcaster have one thing be two different focuses?

What counts as a spellcasting focus for bards?

Inspired by this question: Can a multi-class spellcaster have one thing be two different focuses?

The PHB, on p54 says:

Spellcasting focus

You can use a musical instrument (found in chapter 5) as a spellcasting focus for your bard spells.

And yet on p53, the PHB in the introductory description of bards, gives examples of three bards:

Bard #1:

Humming as she traces her fingers over an ancient monument in a long-forgotten ruin, a half-elf in rugged leathers finds knowledge springing into her mind, conjured forth by the magic of her song—knowledge of the people who constructed the monument and the mythic saga it depicts.

Bard #2:

A stern human warrior bangs his sword rhythmically against his scale mail, setting the tempo for his war chant and exhorting his companions to bravery and heroism. The magic of his song fortifies and emboldens them.

Bard #3:

Laughing as she tunes her cittern, a gnome weaves her subtle magic over the assembled nobles, ensuring that her companions’ words will be well received.

In each example, the implication is that the bard is casting a spell, and the implication is that the action of the bard is central to the magic, and at least to my reading, that the voice, sword/mail, and instrument are spellcasting foci. Maybe it is meaningless fluff, or maybe the implication is that those are all spellcasting foci.

There are two parts to my question:

  • Is it reasonable to assume that RAW or at least RAI that the implication is that in the case of bards, they can use 1) their voice, 2) an improvised musical instrument, or 3) a bought musical instrument?

  • And if such an assumption isn’t RAW/RAI, what are the implications to allowing it as a house rule?

Does a Skald’s Raging Song prevent spellcasting?

This is the description of the Skald’s Raging Song (Su) class feature:

If a raging song affects allies, when the skald begins a raging song and at the start of each ally’s turn in which they can hear the raging song, the skald’s allies must decide whether to accept or refuse its effects. This is not an action. Unconscious allies automatically accept the song. If accepted, the raging song’s effects last for that ally’s turn or until the song ends, whichever comes first.

[…]

While under the effects of inspired rage, allies other than the skald cannot use any Charisma-, Dexterity-, or Intelligence-based skills (except Acrobatics, Fly, Intimidate, and Ride) or any ability that requires patience or concentration.

Does it prevent spellcasting?

The d20pfsrd entry has a link on the word “concentration” going to the Concentration Rules for spellcasters. But if read on paper, you could argue whether “an ability that requires concentration” equals spellcasting or whether you would need a Concentration Check to cast a spell while under the influence of a Raging Song.

Does the Sharpshooter feat work on spells cast through a ranged weapon being used as a spellcasting focus?

I’m asking as a player:

Does the Sharpshooter feat’s 3rd clause (-5/+10) work on spells cast through a ranged weapon being used as a spellcasting focus?

Specifically, does the Sharpshooter feat work with spells cast through a Warlock’s Improved Pact Weapon shortbow/longbow/crossbow options?

Aside from Epic Spellcasting, how is Epic level play more broken than high level play?

Among 3.5e players, the Epic Level Handbook has a very bad reputation and its rules are often called out as being highly dysfunctional. In addition to this, high level play in general has a poor reputation, with issues including a large disparity between the power of casters and non-casters (e.g. see the justification for E6 or the tier list) and the game becoming difficult to play. Regardless, it is quite clear that Epic level play has a worse reputation than regular high level play, but why is this the case?

To my knowledge, the only unique issues with epic level play are the absurdity of Epic Sellcasting, which is so well-documented that I can’t see any sensible DM not banning it outright, and occasional bits of nonsense with Epic Skills such as Epic Diplomacy or Epic Escape Artist, which, given the levels in question, aren’t really all that much worse than the exploits that already exist in high level play (e.g. Diplomancers or optimized Truenamer tricks with Knowledge skills).

What ways are there to increase one’s spellcasting attribute for spellcasting purposes?

I was recently looking at the Regeneration spell (Creation 10), and wondering how I could achieve Regeneration 20 with it. This would seem to require a spellcasting attribute score greater than 20, which is as far as I know, not something you can point-buy up to.

Assuming that all of core (including Game Master’s Toolkit); the Prometheum, Dominus, and Arcana Exxets; and additionally Gaia: Beyond The Dreams are available how else can one raise one’s spellcasting stat? Answers may assume that any attribute that can be a spellcasting attribute, is a spellcasting attribute.

We are using the variant rules where one can spend level-up points on advantages.

Ready Action Trigger Might Cause a Double Spellcasting Loophole

Can the trigger criteria for a readied action be as simple as casting after an ally’s attack?

If so, are there measures to prevent a pseudo double spell casting like Player B: “I would like to ready my action – to cast the Slow Spell centered on ‘this’ enemy, right after Player A makes his attack (Player A goes right before Player B).”

Right after Player A makes his attack the Slow Spell is casted.

Player A then ends his turn.

Player B now has a full turn.

Is this a plausible scenario or does it break the game’s mechanics in anyway shape or form?

Granted you delay the 1st turn’s spell cast, you almost guarantee that your spells occur back to back without a chance for an end turn save check removing its effects.

When using or crafting a Spellcasting item, do modifiers that apply to spellcasting apply?

Specifically, I am interested in if the Power Boost power (from the Prometheum Exxet) could interact with an item that has the Spellcasting power (though there may be other cases where interactions could occur). It is not immediately clear from the text.

There are two cases to consider:

  1. A spellcaster with the modifier uses the item.

  2. An item is created with the Spellcasting power and the other modifier.

I suspect there is no official ruling on this (as with most of my other questions, in fact), so I will accept subjective arguments.

Can I use Megamagic (or other spellcasting features) on a spell that I gained from multiclassing? [duplicate]

This question already has an answer here:

  • Does a sorcerer's metamagic work for non-sorcerer spells? 3 answers

As I understand it, class features only apply to spells you gained through that class. For example, I can’t use the Distant Spell metamagic on, say, Cure Wounds, if I gained Cure Wounds from being a bard. Am I correct in this?

Speaking as both a player and DM here. I wanna know what I can build around.