Top 5 Smartest Mobs In Minecraft
Shulker is coded to be able to find the player's location through blocks.
Zombies are able to detect a player from over forty blocks, twice.
it can detect the player's presence through blocks and inflict mining fatigue on player.
Has a skill of remembering players that attack them even after their escape.
Have knowledge of how to farm, communicate with each other, detect and flee from danger.