I created a large floor of sculk sensors to see how sound works. After a while I decided to spawn some zombies on it to see how it reacted to them. They weren’t moving so I spawned a few villagers.

The zombies didn’t show any aggression towards the villagers, let alone move. I’m unsure if all mobs are affected in this way, but zombies and villagers do not move while standing on sculk. Zombies also do not show aggression or attack while on sculk.

how to reproduce:

1: create a large floor of sculk sensors that is at least 5x5 blocks

2: spawn any mob on the sculk in the center of the square

result

mobs placed on the sculk will not move or attack until they are moved outside the sculk or are standing on the edge blocks of the sculk square.