Detect Illusion

By means of this spell the illusionist is able to see an illusion and know it for exactly that. 

Note that it can be used to enable others to see illusions as unreal if the spell caster touches the creature with both hands and the creature looks at the illusion while so touched. 

The material component is a piece of yellow tinted crystal, glass, or mica.

This spell is the same as the 1st-level illusionist spell detect illusion, except as noted above.