Skip to main content

Modify Memory

← Back to Spell List

Modify Memory
  • Level: 5
  • School: Enchantment
  • Class: Bard, Wizard
  • Casting Time: Action
  • Range: 30 feet
  • Components: V, S
  • Duration: Concentration, up to 1 minute

You attempt to reshape another creature's memories. One creature that you can see within range makes a Wisdom saving throw. If you are fighting the creature, it has Advantage on the save. On a failed save, the target has the Charmed condition for the duration. While Charmed in this way, the target also has the Incapacitated condition and is unaware of its surroundings, though it can hear you. If it takes any damage or is targeted by another spell, this spell ends, and no memories are modified.

While this charm lasts, you can affect the target's memory of an event that it experienced within the last 24 hours and that lasted no more than 10 minutes. You can permanently eliminate all memory of the event, allow the target to recall the event with perfect clarity, change its memory of the event's details, or create a memory of some other event.

You must speak to the target to describe how its memories are affected, and it must be able to understand your language for the modified memories to take root. Its mind fills in any gaps in the details of your description. If the spell ends before you finish describing the modified memories, the creature's memory isn't altered. Otherwise, the modified memories take hold when the spell ends.

A modified memory doesn't necessarily affect how a creature behaves, particularly if the memory contradicts the creature's natural inclinations, alignment, or beliefs. An illogical modified memory, such as a false memory of how much the creature enjoyed swimming in acid, is dismissed as a bad dream. The GM might deem a modified memory too nonsensical to affect a creature.

A Remove Curse or Greater Restoration spell cast on the target restores the creature's true memory.

Using a Higher-Level Spell Slot. You can alter the target's memories of an event that took place up to 7 days ago (level 6 spell slot), 30 days ago (level 7 spell slot), 365 days ago (level 8 spell slot), or any time in the creature's past (level 9 spell slot).

Tactical Usage

Modify Memory serves as an incredibly powerful intelligence and counter-intelligence tool that can reshape entire encounters through strategic memory manipulation. The 24-hour event window at base level covers most recent encounters, allowing revision of recent interactions and combat outcomes in target minds.

Information security applications focus on removing evidence of party activities, magical abilities, or strategic plans that enemies might have witnessed. Eliminate memories of infiltration attempts, magical item possession, or tactical capabilities that could compromise future operations or party safety.

Interrogation enhancement works through clarifying existing memories rather than torture or coercion. Perfect recall of witnessed events, overheard conversations, or observed details provides intelligence gathering that targets willingly share without realizing the information's strategic value.

Spell Combinations

Modify Memory synergizes powerfully with social manipulation spells that establish trust and cooperation before memory modification. Charm Person, Suggestion, and Enthrall create favorable conditions for casting while reducing target resistance and suspicion.

Investigation magic like Zone of Truth, Detect Thoughts, and Speak with Dead provides information for crafting convincing false memories that align with existing knowledge and personality. Accurate memory replacement requires understanding target psychology and background.

Long-term strategies benefit from combining with Geas or Suggestion to implant behavioral compulsions alongside memory modifications. Create false motivations that support modified memories while ensuring consistent behavior patterns that don't raise suspicion.

Material Component Details

Modify Memory requires only verbal and somatic components, making it accessible without expensive material investments while remaining vulnerable to restraint and silence effects that could prevent casting during critical moments.

Component accessibility ensures availability for emergency memory modification when evidence elimination becomes necessary for party survival. Discrete casting might be possible in social situations with sufficient distraction or cover for the somatic components.

Concentration requirements during the 1-minute duration make the caster vulnerable to interruption and discovery during the modification process. Defensive positioning and ally protection become critical for successful memory manipulation in hostile environments.

Creator Notes

Modify Memory presents significant ethical and narrative challenges that require careful consideration of campaign themes, player comfort levels, and long-term story consequences. Memory manipulation raises questions about consent, identity, and moral responsibility in character actions.

Campaign impact can be enormous when players use memory modification for political manipulation, witness tampering, or evidence destruction that affects major story arcs. NPC relationships and social dynamics might shift dramatically based on memory alterations.

Counterplay options through Remove Curse and Greater Restoration provide mechanical means for reversing modifications, while investigation and behavioral inconsistencies can reveal memory tampering through careful observation and analysis.

Environmental Interactions

Modify Memory functions independently of environmental conditions but requires verbal communication in a shared language for memory modifications to take root properly. Language barriers prevent effective memory manipulation regardless of magical power.

Social environments affect the practicality of 1-minute casting times and obvious magical activity that might alert observers to memory manipulation attempts. Private locations and distraction become crucial for successful modification operations.

Magical environments with anti-enchantment effects or mental protection might interfere with memory modification attempts. Consecrated areas or zones of truth could provide resistance to mental manipulation through divine or magical influence.

Common Rulings & Clarifications

Memory scope limitations restrict modifications to single events lasting 10 minutes or less within the specified time frame. Complex operations or extended activities might require multiple castings targeting different memory segments.

Logical consistency requirements mean absurd or contradictory memories are dismissed as dreams rather than accepted as genuine experiences. Memory modifications must align with target personality, knowledge, and behavioral patterns to remain convincing.

Combat advantage prevents effective casting against hostile targets who gain advantage on saving throws. Social deception or pacification becomes necessary before attempting memory modification on unwilling subjects.

Permanent effects mean successful modifications cannot be reversed through natural healing or time passage. Only specific magical restoration through Remove Curse or Greater Restoration can restore original memories.

Alternative Applications

Trauma treatment applications provide therapeutic benefits for individuals suffering from painful memories or psychological damage that interferes with normal functioning. Eliminate traumatic events or enhance positive memories for mental health improvements.

Legal proceedings benefit from witness memory enhancement that provides perfect recall of crime details, though ethical considerations around evidence tampering and judicial manipulation create significant moral and legal complications.

Historical research gains powerful tools through memory clarification of elderly witnesses or participants in significant events. Perfect recollection of historical details provides unprecedented accuracy for scholarly research and cultural preservation.

Memory magic includes Feeblemind for mental damage rather than modification, and Mental Prison for false reality creation. Suggestion and Charm effects provide behavioral influence rather than memory alteration.

Information gathering spells like Detect Thoughts, Zone of Truth, and Speak with Dead complement memory modification by providing intelligence for crafting convincing false memories or understanding existing memory structures.

Restoration magic through Remove Curse, Greater Restoration, and Heal provides counterplay options and memory recovery methods that can reverse modifications and restore original experiences.

Scaling Analysis

Modify Memory scales dramatically with higher-level spell slots, extending the memory timeframe from 24 hours to 7 days, 30 days, 1 year, or entire lifetime at maximum level. Strategic value increases exponentially with extended time access.

Campaign applications expand significantly with longer time periods that allow modification of formative experiences, major life events, and fundamental personality influences. 9th-level casting enables complete identity reconstruction through lifetime memory access.

Political implications become enormous when long-term memory modification affects leadership decisions, treaty negotiations, and historical events that shape entire kingdoms or civilizations through strategic memory manipulation of key individuals.

Narrative Flavor

Modify Memory manifestation should emphasize the intimate mental intrusion required for memory manipulation. Gentle enchantment might appear as warm mental embrace, while forceful modification could involve sharp psychic intrusion that causes temporary discomfort or disorientation.

Memory alteration processes might involve visual overlays where false memories appear as dream-like sequences that gradually replace original experiences. Target awareness during modification could include vague sensations of mental adjustment without understanding the specific changes.

Completion effects should reflect the seamless integration of modified memories into existing mental structures. Successful modifications feel completely natural and genuine, while failed attempts might leave psychological residue or fragmented memory inconsistencies that alert targets to manipulation attempts.