Unfortunately, this was the final time viewers saw these babies, and fans have since been wondering how they were incorporated into the final battle.
There a few theories as to what happened to these babies, beginning with bolstering the Night King’s armies.
Considering inexplicable magic is part of the show, many viewers believe these babies were transformed into deadly wights and were somehow grown up into warriors.
This theory would have expanded the Night King’s army exponentially, as he created more fighters by the day.