RecipientsHouse of Myths / House of Nightmares. Nina has the mark on her upper left arm. She drempt that she was in her room and Fabian walked in to tell her that she couldn't avoid him forever. Nina became confused and tried to explain but Fabian had already turned into the spirit and touched her arm. When Nina woke up, she pulled up her sleeve and gasped in terror at her Mark. Nina was the first to receive the mark, unless her Gran had gotten hers first offscreen.
Fabian got the mark shortly after Nina did in the episode House of Myths / House of Nightmares. Fabian has the mark on his upper right arm. The two lovers got the mark on same side but opposite arm. Fabian got his whilst dreaming he was on a date with Nina but then Nina turned into the spirit and cursed him. When Fabian told Nina about the dream, she became anxious and tried to see if he had the mark. He told her that he hadn't. Later when Fabian hugged Joy, his sleeve lifted and Nina was enraged that Fabian hadn't told her.
Patricia got the mark in the episode House of Pendulums / House of Impasse. Patricia has the mark on her left wrist. She got the mark along with Amber and Alfie.
Alfie got the mark in the episode House of Pendulums / House of Impasse. Alfie has the mark on his calf.
Amber got the mark in the episode House of Pendulums / House of Impasse. Amber has the mark on her right ankle. She was more afraid that her dad would see it then that if they didn't achieve the quest, that she would die.
Vera got the mark in the episode House of Freeze / House of Timeout. Vera has the mark on the palm of her right hand. Vera was the final person to be marked by Senkhara before she entered the Underworld with Rufus Zeno.
It is unknown when Evelyn got her mark, but she had it on her left arm.