The Immortal of Thunder + Lesser Dragon → Thunder Dragon

The Immortal of Thunder + B. Dragon Jungle King → Twin-headed Thunder Dragon

The Immortal of Thunder + Witch of the Black Forest → Kaminari Attack

The Immortal of Thunder + Leo Wizard → Kaminari Attack

The Immortal of Thunder + Fairy Dragon → Thunder Dragon

The Immortal of Thunder + Lady of Faith → Kaminari Attack

The Immortal of Thunder + Rock Spirit → Kaminari Attack

The Immortal of Thunder + Ill Witch → Kaminari Attack

The Immortal of Thunder + Witch's Apprentice → Kaminari Attack

The Immortal of Thunder + Maiden of the Moonlight → Kaminari Attack

The Immortal of Thunder + Serpent Night Dragon → Twin-headed Thunder Dragon

The Immortal of Thunder + Mikazukinoyaiba → Twin-headed Thunder Dragon