Across the world, humans have told stories of creatures so strange and powerful they blur the line between myth and reality.

Among the most popular books of the time, bestiaries were filled with real and mythical animals and their lore, the protagonists of intriguing stories symbolizing human virtues and faults.

Our interview basically begins with an Alaskan proverb. “They say the veil between myth and reality is very thin up north,” James Dommek Jr. tells me as we talk about “Blood & Myth,” an upcoming Hulu ...