“Hey, brother.

“First of all, the universe and God works in powerful, amazing, beautiful, mysterious ways.

Last month, Cain and his wife Safiyya Vorajee announced that Azaylia was again battling leukemia.

The Rock, Ashley Cain

Dwayne Johnson and The Challenge’s Ashley Cain.Jon Kopaloff/Getty Images; Ashley Cain/Instagram

“She’s had a tough, tough life,” he said in the video.

“From eight weeks old she’d been in hospital having chemotherapy, operations, transplants.