Thunder Bomb is a combo ability available in Kirby: Squeak Squad. Kirby gets it by combining the Spark and Bomb abilities. It is similar to the regular Bomb ability but deals electricity damage. The Bomb Scroll is required.
Grabs bomb. Bombs can explode in Kirby's hands.
B (While holding bomb)
Kirby throws the bomb, the bomb can also be angled up or down. Bombs explode on contact.
Down + B (While holding bomb)
Kirby sets a bomb down where he is standing.
Dash + B (While holding bomb)
Kirby throws a bomb that flies straight.
Down + A (while holding the bomb)
Kirby does a sweep with the bomb in his hand. Bomb will explode on contact.
Just like Spark, once Thunder Bomb hits the ground on a metal surface, it will release sparks in both directions along the metal surface.