I also saw one of these on the Fwoosh and had to have one of my own. I used Azrael as the base since he already had all I needed for the body. I removed his head, cape, and gloves. Trimmed his belt to resemble his new Batman belt. I added vinyl right below the abs, so that the silver armor would be raised off the figure's waist.I used the pouches from Azrael's gloves for the leg belt. The rest of the parts were lifted from a DCD Knightfall Batman.The leg fins were lifted from a 3in Knightfall Batman.Also pictured with his prior duds.

DCSH Azrael- body
DCD Knightfall Batman- head, shoulder/cape, gloves