DCs of concentration checks


Rules Questions


Hi there,

as i'm new to PFRPG and D&D i don't know any of the rules that lead to Pathfinder. So i got this problem with my boys who want to play spellcasters. I found lots of DCs for combat situations (casting defensivly...) but i have nowhere found a DC for just casting a spell. Am i blind? What is a good assigned difficulty for casting a spell no matter what?

It would be nice if someone could enlighten me.

Cheers,
Chris

Silver Crusade

Pathfinder Adventure Path Subscriber

I'm not sure I understand the question.

If the caster is not under any kind of duress, there is no need for a concentration check. They just cast the spell they declare they cast.


DM_aka_Dudemeister wrote:

I'm not sure I understand the question.

If the caster is not under any kind of duress, there is no need for a concentration check. They just cast the spell they declare they cast.

What he said, and to clarify: if a spell caster isn't in a threatened square no concentration check is necessary unless other conditions apply. Similarly, if a caster draws an attack of opportunity from casting in a threatened square and the opponent misses, no check must be made. Out of combat, the only situation that I can think of that would force a wizard (specifically) to make a concentration check is if they had lost their bonded object.

Zo

Liberty's Edge

Pathfinder Pathfinder Accessories Subscriber; Pathfinder Roleplaying Game Superscriber
DigMarx wrote:
DM_aka_Dudemeister wrote:

I'm not sure I understand the question.

If the caster is not under any kind of duress, there is no need for a concentration check. They just cast the spell they declare they cast.

What he said, and to clarify: if a spell caster isn't in a threatened square no concentration check is necessary unless other conditions apply. Similarly, if a caster draws an attack of opportunity from casting in a threatened square and the opponent misses, no check must be made. Out of combat, the only situation that I can think of that would force a wizard (specifically) to make a concentration check is if they had lost their bonded object.

Zo

Or riding. Or being on a tempest tossed ship.


Truth. Also: if you had eaten some really spicy chili the day before, or if your sweetheart had just sent you a Dear John message spell. Or if the party cleric was a female half-elf with huge...tracts of land, and you were both on the deck of the aforementioned ship during the tunic-soaking downpour. Or if another poster had just made an obnoxiously sexist comment about half-elves and you really wanted to slap him with a silence spell...

Zo


Thanks guys, that clarifies this matter for me. I really didn't know that you could cast a spell without concentration checks in any circumstances. I thought that you have to make a check for every spell to see if it works.

Thx again,
Chris

Sovereign Court

new_vision wrote:

Thanks guys, that clarifies this matter for me. I really didn't know that you could cast a spell without concentration checks in any circumstances. I thought that you have to make a check for every spell to see if it works.

Thx again,
Chris

Welcome to Pathfinder.

Most of the people on these forums rock, and will help you with questions anytime!

Enjoy the game!

Silver Crusade

Pathfinder Adventure Path Subscriber

Fail-safe spellcasting is a staple (a holy cow even) of D&D. Same goes for spell-like and supernatural abilities.

Liberty's Edge

new_vision wrote:
Thanks guys, that clarifies this matter for me. I really didn't know that you could cast a spell without concentration checks in any circumstances. I thought that you have to make a check for every spell to see if it works.

Nope, every spell works automatically by default. :)

A thought though. If you look at the chart for Concentration check DCs (HERE) you'll see that many of them are essentially Spell Level + modifier for circumstances.

Conceivably, you could rule that you must make a Concentration check every time you cast a spell. In that case, it'd make sense for the base DC of the check to be equal to the level of the spell. So, casting fireball during a downpour would be DC 8 (3 for spell level + 5 for rain). Casting fireball on a sunny day with no distractions would be DC 3. This is simple extrapolation from the chart.

However, this would produce results that are functionally identical to not requiring Concentration checks, since these rolls would be automatic successes.

Anyone casting a fireball spell is at least 5th level, with at least a 13 in their casting stat. That gives them +6 to their concentration roll. Even if they roll a 1, they've still surpassed the 3 they needed to cast the spell (and notice that unlike saves or attacks, concentration rolls don't auto hit/miss on natural 20/1).

So, there's your answer to why there's no required checks for non-stressful casting :)

Gorbacz wrote:
Fail-safe spellcasting is a staple (a holy cow even) of D&D.

LMAO. I think you mean "sacred cow". ;D

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