It's worth noting that in the raws, Miko just said: もう自由にしてあげて instead of the "It's time for you to let him be free." in the translation here.
The orignal Japanese text kept the intended recepient more ambiguous as this was a message that worked as directed to both Zen and the spirit of his...
This manga skipped the jumping the shark phase and went straight to strapping on a laser cannon to a shark and launching it into the goddamn moon phase immediately. And I'm loving every second of it. I guess after recovering from twisted necks, anything is free game now.
I'd like to point out that as seen on page 12, the one driving the airship is the Horse.
I don't really know what else I was expecting. Sasuga Horse Bro.