secret mailing villagers drop

Why do we use bats and assign villager jobs in alternate dimensions? Also, what will villagers do at night? Be cautious, as villagers are often full of pranks for pranksters. and 

• this will bring lioness cubs name Miracal 
• this will bring a hunted house 
• and new food for Minecraft call alicorn meat that will make you fly in surivial mod 
• sand fish and sand fish mouth like a cave that will swallow pillagers or player pets or trick prank players and you vote death or out mouth fish