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| Icon of Arcthunder from Radiant Dawn.|
High-level lightning magic. It is very effective against wyverns and dragon tribe laguz.
Arcthunder (ギガサンダー, Gigathunder) is a thunder tome that debuted in Fire Emblem: Radiant Dawn. As a counterpart to Arcfire, Arcwind and Shine, it acts as the game's third "stage" of thunder magic, superior to Thunder and Elthunder.
Etymology and other languages
|Names, etymology and in other regions
|| Definition, etymology and notes
|| From "arc", a prefix referring to the highest of something which is used in the English version to indicate the third "tier" of spells + "thunder".
|| Gigathunder; from "giga", the Japanese version's equivalent prefix + "thunder".
|| Feu du ciel
|| Fire from the heavens; possibly a French euphemism for lighting.
|| From Arkus, the German versions's equivalent prefix, a corruption of the German arcus, "arc" + donner, "thunder".
|| From arci-, "arch-", the Italian version's equivalent prefix + tuono, "thunder".