The Thunderstick are a possible invention of The Hag Bruna , similar to dynamite in description they are used for various tasks.
Produced by Herb Gatherers these potent sticks are a mixture of herbs, mixed into chemics and combined together and wraped in paper, a small wick is added for ignition.
Thunderstick, much like dynamite could be used for many things such as; Mining, clearing treestumps or fields, or as in The Painted Man , as a weapon against demons. As a weapon is has a profound effect on most Demons killing or maiming them instantly, but has little to no effect on Rock Demons .
The Thunderstick are extremely volatile, after lighting the wick the user has a small amount of time to throw the Thunderstick, or run away from the impending explosion.
The Hag Bruna had mentioned on various occasions that the secret to the Thundersticks production was to be kept as a secret. As she didn't trust anyone enough to teach them the recipe for fear they would be used unwisely and could lead to danger.