"Cheep! Cheep!"
<Many many! But there are non-bat non-friends in there. Swarm! Swarm! They scare and run!>
Johann screeches and attempts to use echolocation to show them the direction to go.
<Follow!>
He swoops down and flies toward the other cave.
Dire Bat Johann leads the aerial assault on the derro in their cavern at the head of a massive bat swarm made of several combined bat swarms! The flying omnivores descend upon the startled tribe of derro like a sudden storm, cheeping, squealing, biting and scratching, going for the big blue pupiless eyes of the panicked derro!