Thunder (affinity)

Loosely, affinity determines a character's stat boosts that are gained from supports. Supports depend on the affinites of the two characters that are being bonded, and they determine the type of bonus given. The following tables are a compilation of bonuses given by the thunder affinity in each game.

Characters with the Thunder affinity in Fire Emblem: The Sword of Seals
Dieck, Chad, Clarine, Gonzales, Lalum, Bartre, Zeis, Douglas, Hector

Characters with the Thunder affinity in Fire Emblem: The Blazing Sword
Serra, Erk, Wallace, Bartre, Hector, Heath, Geitz,

Characters with the Thunder affinity in Fire Emblem: The Sacred Stones
Gilliam, Amelia, Gerik, Dozla, Syrene, Caellach, Selena

Characters with the Thunder affinity in ''Fire Emblem: Path of Radiance
Shinon, Jill, Makalov, Muarim, Janaff, Tauroneo

Characters with the Thunder affinity in Fire Emblem: Radiant Dawn
Aran, Tauroneo, Jill, Muarim, Makalov, Shinon, Lyre, Janaff, Gareth