Abjuration spell guide · counter-magic reference
Counterspell, “Spellshatter”
Deny the spell at the edge of becoming, and leave nothing for the world to endure.
Counterspell is the magic of the decisive interruption. A rival begins a working, intention gathers into form, and another caster acts before that magic can become an event in the world.
Its real power is therefore judgment. The caster who tries to stop everything soon has nothing left for the spell that truly matters. The dangerous counter-mage watches, waits, and spends power only when allowing the next spell to resolve would change the battle.
Quick Rules Reference
Counterspell Mechanics
Counterspell
Available to: Sorcerer, Warlock, Wizard.
Trigger
You can react when you see a creature within 60 feet of you casting a spell that has at least one Verbal, Somatic, or Material component.
Effect
The creature casting the triggering spell makes a Constitution saving throw against your spell save DC. If that saving throw fails, its spell dissipates without producing its effect. The action, Bonus Action, or Reaction used for that casting is wasted.
If the interrupted spell was being cast with a spell slot, that slot is not expended. On a successful Constitution save, the triggering spell continues normally.
Higher-Level Slots
Counterspell has no listed additional effect from being cast with a spell slot above 3rd level. Do not import the former automatic-counter and spellcasting-ability-check procedure from older versions of the spell.
Five-second ruling: see a component-using spell being cast within 60 feet, spend your Reaction, and force its caster to make a Constitution save. Failure stops the spell; success lets it resolve.
Common Rulings
- Can Counterspell stop a cantrip? Yes. A cantrip is still a spell. It can satisfy the trigger even though no spell slot is being spent.
- Does the interrupted caster lose the spell slot? No, when the interrupted spell was cast using a spell slot. The casting action is lost, but that slot is preserved.
- Does upcasting Counterspell improve the save? No additional higher-slot benefit is listed.
- Can it stop a magical ability that is not a spell? Not merely because the ability is magical. The trigger requires a creature casting a spell.
- Can it stop a spell with no components? Not through this trigger. Counterspell specifically keys off a casting with a Verbal, Somatic, or Material component.
- Do you wait to see what the spell does? No. The Reaction occurs while the spell is being cast, before its effects resolve.
Can You Counterspell a Counterspell?
Potentially. Counterspell itself is a spell with a Somatic component, so a different creature that can see that casting, is within range, has a Reaction available, and otherwise satisfies the rules can attempt to interrupt it.
There is an important spell-slot restriction on your own turn: you can expend only one spell slot to cast a spell during a turn. If you already spent a spell slot on the spell an opponent is trying to Counterspell, you normally cannot then expend another spell slot on your own Counterspell during that same turn.
A casting that does not expend a spell slot can interact differently, so apply the general spell-slot rule to the actual resources being used rather than assuming every Counterspell chain works the same way.
Counterspelling Procedure
Choose an opposing spellcaster and ready an action to counter that caster when they begin casting. When the trigger occurs, attempt a Spellcraft check against DC 15 + the incoming spell’s level.
If you identify the spell successfully and can cast the same spell yourself, you can cast that spell as the counterspell. Doing so automatically ruins the triggering casting. Arcane and divine versions of the same spell can counter one another.
Some individual spell descriptions name a different spell that can specifically counter or dispel them. Those specific rules also apply.
Using Dispel Magic as the Counter
Dispel Magic can be used instead of matching the exact incoming spell. When used this way, target the opposing spellcaster and make a dispel check.
Dispel check: roll 1d20 + caster level against DC 11 + the opposing spell’s caster level.
The base Pathfinder version of Dispel Magic does not list a maximum on the caster-level bonus to this check. Success counters the spell; failure allows the spell to continue.
Important Boundaries
- Readying is a standard action and changes your initiative position when the readied action triggers.
- If you fail to identify the spell, you cannot counter it by matching that spell.
- A matching spell automatically counters once the identification and casting requirements are met.
- Dispel Magic is more flexible because you do not need the exact same spell, but its dispel check can fail.
- Spell-like abilities cannot themselves be used to counterspell and cannot be counterspelled through this procedure.
Five-second ruling: ready against a caster, identify the incoming spell with Spellcraft DC 15 + spell level, then answer with the same spell or attempt a Dispel Magic counter.
Counterspelling Procedure
Select an opposing spellcaster and use the ready action to wait for that creature to begin casting. When the trigger occurs, make a Spellcraft check against DC 15 + the incoming spell’s level.
If you identify the spell and can cast that same spell yourself, you can cast it as a counterspell. The matching counter automatically ruins the opponent’s spell. The procedure works even when one version is arcane and the other divine.
Individual spell descriptions can also identify specific spells that counter one another.
Using Dispel Magic as the Counter
Dispel Magic can counter an incoming spell without requiring you to cast the same spell.
Dispel check: roll 1d20 + caster level, maximum +10, against DC 11 + the opposing spell’s caster level.
This is the important difference from the Pathfinder version of the base spell: the 3.5e caster-level bonus on this Dispel Magic check is capped at +10.
Important Boundaries
- The counter requires advance commitment through the ready action rather than an always-available Reaction.
- You normally need to identify the spell before answering it with a matching spell.
- Using the exact same spell automatically ruins the opposing casting once the requirements are met.
- Dispel Magic trades certainty for flexibility: it can answer a wider range of spells but requires a successful dispel check.
Five-second ruling: ready against the caster, identify the spell at Spellcraft DC 15 + spell level, and counter with the same spell or try Dispel Magic.
Counterspell Questions That Matter at the Table
Is Counterspell the same as Dispel Magic?
No. Counterspell is about stopping a casting before its spell resolves. Dispel Magic is chiefly the tool for ending or suppressing magic that already exists, while older counterspelling procedures also give it a special counterspell use.
Should you counter every spell?
Usually not. The strongest use is denying the one spell whose successful resolution would radically alter the encounter: escape, battlefield control, banishment, mass disabling magic, or the completion of a crucial ritual.
Does distance matter?
Absolutely. Counter-magic is strongest when the defender can maintain the distance, sight line, preparation, and action economy its rules require. Breaking any one of those assumptions can protect a casting.
Does Counterspell erase magic already in effect?
No. A spell that has already resolved is no longer an unfinished casting. Existing magical effects require the rule or countermeasure that actually applies to them.
Using Counter-Magic Well
The Spellshatter in the World
Counter-magic changes magical conflict because it makes the act of casting itself dangerous. A battle-mage can know the right formula, possess the power to complete it, and still discover that another trained will has been waiting for precisely that moment.
By 1454, learned magical traditions treat this kind of interference as a serious branch of natural philosophy. The skilled counter-mage studies the visible grammar of magic: the beginning of a gesture, the cadence of an incantation, the movement toward a component pouch, the geometry of a forming sigil, and the minute changes in air, heat, light, sound, or pressure that announce a working before it is complete.
That knowledge has consequences far beyond the battlefield. Courts employ specialists to watch audiences for illicit spellcasting. Guilds teach apprentices how to protect dangerous demonstrations. Great households place trusted magicians where they can see both petitioners and doors. Military commanders keep counter-mages close to officers, artillery positions, bridges, gates, and siege works where one successful spell could undo an hour of preparation.
Formal magical duels become contests of nerve as much as power. A master may deliberately begin with an expendable working simply to learn whether an opponent is willing to answer. The counter-mage who reacts too early reveals both capability and intention; the one who waits too long may never receive another chance.
Spellshatter is a SpiralWorlds name for the dramatic idea of magical interruption. It does not replace the rules name of the spell or imply that every ruleset contains a spell by that title.
Historical and Mythic Parallels
The instantaneous fantasy counterspell is a modern game mechanic, but the older idea behind it—the belief that hostile magic can be recognised, resisted, reversed, diverted, or rendered powerless—appears throughout surviving magical literature.
Maqlû and the Undoing of Hostile Magic
One of the clearest ancient parallels is the Mesopotamian Maqlû, or “Burning,” tradition. It was not a split-second interruption of another magician’s casting. It was an extensive anti-witchcraft ceremony in which incantation, purification, figurines, fire, and ritual action were used to undo hostile sorcery and turn its intended fate away from the victim.
The comparison matters because it shows how old the underlying magical idea is: dangerous magic need not merely be endured. Another body of ritual knowledge may exist specifically to deny, reverse, or defeat it.
For further historical context, see the Metropolitan Museum of Art’s discussion of Mesopotamian magic in the first millennium BCE and the University of Würzburg’s Maqlû research resource.
Circe, Odysseus, and Moly
A different form of magical denial appears in the story of Odysseus and Circe. Hermes gives Odysseus the mysterious herb moly, whose power prevents Circe’s enchantment from overcoming him. It is resistance rather than interruption: Circe completes her magic, but the intended transformation fails to claim its target.
That distinction is useful. Myth contains many protections against magic, but relatively few exact equivalents of the modern counterspell’s precise moment of interruption. Moly belongs to the broader family of counter-magic, not to the game’s specific casting procedure.
The episode can be read in Homer’s Odyssey, Book 10, through the Perseus Digital Library.
Related Counter-Magic
The defining choice: do not spend counter-magic merely because a spell is being cast. Spend it because this is the spell that must not be allowed to become real.
Rules Sources and Licensing
The mechanics above keep the current Counterspell spell separate from the older ready-action counterspelling systems rather than presenting them as though they were one cross-edition spell.
- Current SRD rules: System Reference Document 5.2.1.
- Pathfinder counterspelling and ready-action rules: Archives of Nethys — Ready.
- Pathfinder Open Game Licence material: Pathfinder Reference Document — Open Game License.
- Revised 3.5e Open Game Licence material: d20SRD — Open Game License v1.0a.
Current SRD-derived material is used under the Creative Commons Attribution 4.0 International licence. Pathfinder 1e and revised 3.5e Open Game Content used by SpiralWorlds remains subject to the Open Game License v1.0a and its applicable Section 15 notices.
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