Minecraft wiki entry for Illusioner, associated text: The illusioner displace sound is the same as the enderman teleport sound, albeit with a slight distortion at the end.
Illusioners shoot backward when in a boat.[2]
Illusioners hold bows in a different direction compared to skeletons (more diagonally).
They spawn in a dimension in 20w14infinite
The illusioner's second death sound is the same as the evoker's second death sound.
The illusioner is the only illager that has more than 24 health points.