They can be temporarily revealed under heavy damage, or after they perform a melee attack. They no longer have Void shields, but Devoured Minotaurs can have Arc shields. ... A Taken Wizard's attacks are Solar instead of Arc, and their shields are Void instead of Solar.

Who does arc damage?

Arc - This is blue and causes Arc damage. It causes more damage to Arc enemies who have a blue shield. Void - This is Purple and causes Void damage to enemies who have a purple shield.

Which vex do arc damage?

Solar—Orange—causes Solar damage. Arc—Blue—causes Arc damage. Void—Purple—causes Void damage. Stasis—Indigo—causes Stasis damage.