This is just a great sentence...
"The Dwarven Lightning bottle is a carefully crafted magical battery with a Mithral Anode, an Adamantite Cathode and Dragon’s Blood for the electrolyte."
(Some day, these precious and invaluable secrets, the blue-prints of the Dwarven Lightning Bottles, will be returned to the Dwarven Guild where they belong, away from the prying eyes of humans.) Go to Comment
Appearing a small ballista bolt, this ‘bolt’ is actually an arrow used by a god from a long-dead pantheon. Some sages theorize it was a weapon crafted by Loki to slay the world tree. Why it was never used escapes them however.
The spear has a divine-level anti-plant effect. When driven into the soil point first, a ever widening circle of destruction radiates out from the point, killing any plant material. Perfect for holding a kingdom’s food supply for ransom.
How far it extends depends of course on the GM, of course.