Skip to main content

Phantasmal Force

← Back to Spell List

Phantasmal Force
  • Level: 2
  • School: Illusion
  • Class: Bard, Sorcerer, Wizard
  • Casting Time: Action
  • Range: 60 feet
  • Components: V, S, M (a bit of fleece)
  • Duration: Concentration, up to 1 minute

You attempt to craft an illusion in the mind of a creature you can see within range. The target makes an Intelligence saving throw. On a failed save, you create a phantasmal object, creature, or other phenomenon that is no larger than a 10-foot Cube and that is perceivable only to the target for the duration. The phantasm includes sound, temperature, and other stimuli.

The target can take a Study action to examine the phantasm with an Intelligence (Investigation) check against your spell save DC. If the check succeeds, the target realizes that the phantasm is an illusion, and the spell ends.

While affected by the spell, the target treats the phantasm as if it were real and rationalizes any illogical outcomes from interacting with it. For example, if the target steps through a phantasmal bridge and survives the fall, it believes the bridge exists and something else caused it to fall.

An affected target can even take damage from the illusion if the phantasm represents a dangerous creature or hazard. On each of your turns, such a phantasm can deal 2d8 Psychic damage to the target if it is in the phantasm's area or within 5 feet of the phantasm. The target perceives the damage as a type appropriate to the illusion.

Tactical Usage

Phantasmal Force excels as a single-target control spell that creates persistent psychological effects through convincing mental illusions. The concentration duration and automatic rationalization means targets remain affected even when illusion logic breaks down, creating sustained battlefield control.

Damage potential through 2d8 psychic damage per turn makes this spell competitive with dedicated damage options while providing additional control benefits. Dangerous creature or hazard illusions can consistently damage targets throughout encounter duration.

Target psychology becomes critical for maximizing effectiveness - intelligent enemies might investigate more quickly, while simple creatures often remain convinced for extended periods. Fear-based illusions often prove more effective than complex deceptions.

Spell Combinations

Phantasmal Force synergizes well with area control spells that limit target movement and investigation opportunities. Web, Entangle, or difficult terrain creation prevents escape from illusory threats while maintaining psychological pressure.

Social manipulation benefits from combining with Suggestion or Charm effects that predispose targets toward accepting false information or unusual situations. Trust establishment makes illusions more convincing and harder to disbelieve.

Information gathering improves through illusions that encourage target movement or behavior that reveals tactical information, hidden capabilities, or strategic intentions through reactive responses to false stimuli.

Material Component Details

Phantasmal Force requires a bit of fleece as its material component, symbolically representing the soft deception and mental manipulation involved in creating convincing psychological illusions. Sheep fleece works perfectly without special preparation.

Component accessibility makes this spell extremely affordable and reliable, as fleece can be obtained from textile sources, sheep, or fabric materials in most civilized areas. Clothing materials often contain sufficient fleece for spellcasting needs.

Symbolic significance connects to pulling wool over eyes - the classic expression for deception that perfectly matches the spell's function of creating false mental impressions that target psychology accepts as genuine.

Creator Notes

Phantasmal Force provides excellent player creativity outlets while requiring careful adjudication of illusion content and target responses. Investigation mechanics provide counterplay without trivializing the spell's effectiveness.

Damage application requires consideration of illusion type and target positioning relative to phantasmal threats. Creative illusions often exceed expectations for tactical utility and narrative entertainment value.

Rationalization mechanics create interesting roleplay opportunities where targets develop increasingly elaborate explanations for illogical experiences, maintaining belief despite contradictory evidence.

Environmental Interactions

Phantasmal Force creates purely mental illusions that don't interact with physical environment but can represent environmental features that influence target behavior and tactical decisions through psychological rather than physical means.

Lighting conditions and visibility don't affect mental illusions, though environmental context might influence what types of illusions seem plausible to targets in specific settings or circumstances.

Magical environments with anti-illusion effects or mental protection might provide resistance to phantasmal effects, while areas of heightened emotion or fear could enhance illusion effectiveness.

Common Rulings & Clarifications

Investigation timing requires Study actions rather than automatic detection, preventing instant dismissal while providing reasonable escape mechanisms for intelligent targets who dedicate effort to examination.

Damage conditions specify that phantasms representing dangerous creatures or hazards can deal damage if targets are within the illusion's area or within 5 feet. Positioning becomes tactically important.

Rationalization effects mean targets continue believing illusion reality even when experiencing contradictory evidence. Failed interactions are explained away rather than revealing deception.

Sensory completeness includes sound, temperature, and other stimuli that make illusions convincing to all senses. Physical interaction reveals nothing suspicious to affected targets.

Alternative Applications

Interrogation scenarios benefit from fear-based illusions that encourage cooperation without actual harm. Psychological pressure through phantasmal threats often proves more effective than physical coercion.

Distraction tactics use compelling illusions to draw target attention and focus away from party activities, environmental changes, or strategic positioning that might otherwise be detected.

Puzzle solutions might involve creating illusions that guide target behavior toward desired outcomes, switches, or actions through apparent environmental cues or creature guidance.

Mind control magic like Hold Person, Suggestion, and Charm Person provide alternative approaches to behavioral influence with different mechanics and effectiveness patterns against various target types.

Illusion comparison with Minor Illusion, Silent Image, and Major Image shows progression from environmental illusions to personal psychological manipulation with increasing power and complexity.

Damage alternatives include mental effects like Mind Spike and Psychic Lance that deal similar damage types but through different mechanisms and tactical applications.

Scaling Analysis

Phantasmal Force does not scale with higher-level spell slots as its damage and effects represent optimal values for 2nd-level magic. Strategic value lies in sustained control rather than raw power increases.

Campaign utility scales with enemy intelligence and investigation capabilities. Simple creatures remain affected longer, while intelligent foes might escape more quickly through dedicated examination efforts.

Creative applications improve with player experience and understanding of target psychology, fear responses, and behavioral patterns that maximize illusion effectiveness and tactical utility.

Narrative Flavor

Phantasmal Force manifestation should emphasize the purely mental nature of illusions that exist only in target consciousness. Other creatures see no illusion while affected targets experience complete sensory reality.

Illusion content varies dramatically based on caster creativity and target psychology. Personal fears, cultural references, and environmental context influence what illusions prove most convincing and effective.

Target responses provide opportunities for detailed description of confusion, fear, anger, or other emotions as subjects react to phantasmal threats that seem completely real despite their psychological rather than physical nature.