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This article is not to be confused with "Shield."

PSI Shield, written as PSIShield in EarthBound Beginnings, (Japanese: サイコシールド Psycho Shield) is a PSI ability in all three Mother games. It protects a single conscious character, or all characters, from enemy PSI-based attacks, and even returns some of the blocked damage to the attacker at higher power levels. PSI Shield is learned in EarthBound Beginnings by Ninten and Ana, in EarthBound by Paula, and in Mother 3 by Lucas. In Earthbound, some PSI attacks can lower it's defense by 1 (its default is 3) except PK Thunder, which instantly causes it to be destroyed.

PSI Shield

Kumatora's body is enveloped by a PSI Shield.

In EarthBound Beginnings

Level Users PP Cost Target Effect Description
α Ninten, Ana 4 One ally Protects with a PSI shield. The PSI Shield halves all damage.
β Ninten, Ana 9 All allies Protects with a PSI shield The PSI Shield halves all damage.


In EarthBound

Level Users PP Cost Target Effect Comments Description
α Paula 8 To one of us N/A Dissipates the enemy's PSI offensive attack if it hits at it. Protects one person with a psychic shield. It blocks an enemy's PSI attack. Using a different shield will cancel these effects.
Σ Paula, Buzz Buzz 24 To all of us N/A PSI Shield covers everyone in the group. Protects everyone with a psychic shield. It blocks an enemy's PSI attack. Using a different shield will cancel these effects.
β Paula 14 To one of us N/A "Psychic Power Shield." PSI Shield α plus reflection. Protects one person with a psychic power shield. It reflects an enemy's PSI attack back at the attacker. Using a different shield will cancel these effects.
Ω Paula 42 To all of us N/A "Psychic Power Shield" covers everyone in the group. Protects everyone with a psychic power shield. It reflects an enemy's PSI attack back at the attacker. Using a different shield will cancel these effects.

In Mother 3 (PSI Shield)

Level Users PP Cost Target Effect Description
α Lucas level 28 8 To one of us PSI Protection Halves PSI damage to one ally. Some attacks can't be halved, however.
Ω Lucas level 35-45 20 To all of us PSI Protection Halves PSI damage to all allies. Some attacks can't be halved, however.

In Mother 3 (PSI Counter)

PSI Counter

Oh no! A foe's PSI Counter activates!

Level Users PP Cost Target Effect Description
α Lucas level 33 18 To one of us Counters PSI Damage Reflects PSI damage dealt to one ally. Some attacks can't be reflected, however.
Ω Lucas level 53 34 To all of us Counters PSI Damage Reflects PSI damage dealt to all allies. Some attacks can't be reflected, however.
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