Perdhro is the rune of secrets, the unseen and matters of chance.

It is thought that early Northern Europeans considered gambling to be a close cousin to divination and the casting of lots was believed to indicate the will of the gods. However it was also believed that the fate revealed was not fixed and that it was down to the gambler or diviner to read their fate and take the action needed to avoid the dangers or improve their own fortunes.

It is also said that the Vikings believed that lot casting revealed inner truths, giving Perdhro its connections with inner transformation and the seeking of esoteric knowledge.