- "This magic infused greatsword was forged by the Hyrulean royal family using lighting from the Hyrule Hills. Attack when the blade glows golden to expel lighting."
- — Hyrule Compendium
The Great Thunderblade is an item from The Legend of Zelda: Breath of the Wild. It is a two-handed elemental sword filled with lightning power from the Hyrule Hills, shocking and causing electric damage to enemies save for those resistant to electricity. They are among several rare weapons forged by the Royal Family of Hyrule. As with the other elemental weapons in Breath of the Wild it's high durability and magical effects make it a good backup to the Master Sword during it's recharge period.
One spawns in the ground between three rock formations on Cuho Mountain in the Tabantha Frontier region in Hebra province. One can be obtained by defeating a Stalnox that can be found southwest Ishto Soh Shrine and respawns after every Blood Moon. Molduga occasionally drop treasure chests containing them and also resspawn after every Blood Moon.