Dragons aside, does the aerial kraken have any natural enemies? Or is is an APEX predator.
I believe the Greater Sky Whale will dine on Ærial Kraken when the opportunity presents, although its primary food source is the Common Air Krill:
Hummingbird Clearwing in Montgomery Co., Maryland (7/14/2020). (c) Wendy R Fredericks, some rights reserved (CC BY-NC). Photo by Wendy R. Fredericks. (MBP list)