Sculk Vex - A Way to Balance the Warden

There is currently an issue with the warden, and that is if you make the warden reach full anger, you can escape relatively easily. He can be blocked by randomly generated dripstone and one-block gaps. A solution to this is, while the warden is targeting the player, have it check if the player can actually be reached every few seconds. If not, it should summon in the sculk vexes, which would behave similarly to the warden and depend on vibrations to find the player. They would be able to fly and pass-through blocks like vexes, however.