Emerald's scared of being alone (again) because of all the lonely centuries inside the Master Emerald. It was just her in there. She couldn't, even see the outside after a year or 2, so she was just trapped in the darkness. She scared that it'll happen again.

Abyss is scared of the dark for multiple reasons. Mainly because of Pain, but also because it was dark at night the day Rocket died. And he's just been afraid of the dark ever since. Explaining why his star plush glows.

#EmeraldDoodle