"Oh, a great many. That's what I did before I came to the island. I ran a sanctuary for exotic and misunderstood species that were either too dangerous to integrate among society or too easily harmed. I wasn't..."

Helen sipped at her tea, trying to think of how best to explain it. "I started out as human but through experimentation I became functionally immortal. Certainly, if I'd been shot and bled out I would have died but my healing factor kept me from most diseases and injury. I am 162 years old as of last August."