The Warden's "Mole move"

I think The Warden should be able to bury himself, tunnel (without breaking any blocks), and then *come out of the ground* in a different place than he was when he's in certain situations. The reason for this is that many ways to kill the Warden that players have discovered is to trap him in a cage and sometimes even constantly damage it while The Warden literally does nothing until he dies. That's why I think after the Warden wanders around a bit in a small space or constantly takes damage without finding any targets, he could do the "mole move" to save himself from death, and if he spots a player while doing it , it could even pop out of the ground near the player.