User blog comment:Paul.rea/Teen Wolf News 030816/@comment-5379216-20160309230114/@comment-4091815-20160310053119

Sebastien is the only beast in the story. Jeff said the size and power of the beast was a result of how evil Sebastien was before he drank from the print. It's a regular wolf print. The next night, once the storm clears, he writes the letter to his sister. Sometime later the head to the house.