Holy shit, Phos turned metal as fuck (pun intended). Literally pushing together his former god's hands in prayer and screaming at him "PRAY FOR ME" while melting onto his face.
I'm 99% sure the gem at the end is Padparadscha, last time we saw them they were covered in Cinnabar's poison so I bet they had to cut off Pad's giant mane to replace all the parts that had to be chipped off.