Hydra: The Lernaean Serpent (Exploring Dragons and Serpents)
28:58
Ryujin: The Dragon King of the Sea (Exploring Dragons and Serpents)
10:04
How Many Heads can a Hydra Grow? - Mythconceptions
7:40
Origin Of Hydra
20:55
A Guide to Dangerous Dragons
20:27
What are Hydras? | Magic Arcanum
5:40
The Great Race of Yith - (Exploring the Cthulhu Mythos)
29:14
The Legend of Kiyohime (Exploring Dragons and Serpents)
38:01