Reactor Purge

Reactor Purge
Nanoha's Barrier Jacket about to detonate in order to block Vita's attack
Spell profile
Other names	Reactive Purge
Primary caster	Nanoha Takamachi Subaru Nakajima
Classification
Magic system	Midchilda Modern Belka
Category	Defense
Type	Field
Production
Japanese name	リアクターパージ (Riakutā Pāji)
First app.	A's (ep.1)
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Reactor Purge (リアクターパージ Riakutā Pāji) is the ultimate defensive function of a mage's Barrier Jacket. When the damage taken by the caster exceeds the Jacket's limit, it will "detonate" to counteract a single attack, similar in principle to reactive armour on modern tanks.

Name

In StrikerS, Reactive Purge (リアクティブパージ Riakutibu Pāji) is used instead for the same function.

Notable uses

• Reactor Purge is first seen in A's (ep.1) when Vita's Raketenhammer overpowers Nanoha Takamachi's defenses.
• In StrikerS (ep.17), Reactive Purge is activated by Subaru Nakajima's Barrier Jacket during her combat against Cinque, whose Overdetonation is too powerful for the injured Subaru. Presumably, such function is also loaded to the Barrier Jackets of other Riot Force 6 Forward members.

Variations

Jacket Purge is a similar spell/function which is initiated by the caster for specific purpose.