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Reduce is a Level 2 Transmutation Spell. This spell allows spellcasters to decrease a creature's body size. Affected creatures deal less damage with their weapons and have Disadvantage Icon.png Disadvantage on Strength Checks and Saving Throws.


Make a creature smaller.

Its weapons deal D4 Physical.png 1d4 less damage (minimum of 1 damage). It has Disadvantage Icon.png Disadvantage on Strength Checks and Saving throws.


Action + Level 2 Spell Slot
Range: 9 m / 30 ft
Concentration Concentration

At higher levels

Casting this spell at a higher level grants no additional benefit.

Condition: Reduced

Duration: 10 turns Constitution saving throw

How to learn

This spell is a variation of:
Enlarge/Reduce Enlarge/Reduce


  • The Constitution Saving Throw only applies when the spell is cast on a non-party member.
  • Reduce decreases the Size category of the target creature by 1. This affects the maximum size of creature it can Throw Throw or use as an Improvised Melee Weapon Improvised Melee Weapon, and vice-versa. For example, a creature of Medium size can only be thrown by a Large or larger creature. When Reduced, a Medium creature becomes Small and can be thrown by a Medium creature.
  • While not stated in the spell description, Reduce also decreases the weight of the target creature. The formula used is:
    Original Weight / 2.35 = New Weight (minus additional weight, if needed, to place creature in the correct size category)
    (See Creature Size for more information.)
  • The change in size from the spell stacks with the change in size from Disguise Self, making it possible to become a tiny creature (small race + Reduce). As a tiny creature it is possible to go through even the smallest of passageways such as pipes or jumping through the bars of a fence, something even the small races can't do.


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