https://minecraft.fandom.com/wiki/Minecraft_Dungeons:End_Illager

Appearance end illagers wear a long dark greyish robe that resembles a mage robe but lacking a hood. The robe has greyish outlines on its front and elevated collars. He also wears black pants.

Behaviour In the cinematic at the end of the stronghold mission, an end illager is seen walking around in the end wilds, making the idle noises of an illusioner after being teleported. A lich is also featured in the Diver’s Dozen achievement. hing is It is known about their attacks or their general behavior.

thanks to villager 95 for the textures