Originally posted by SurturThey had a weakness to that but other than blinding an opponents vision it really couldn't work that way against others.
But in ROTK Gandalf says Saruman no longer has any power. So is Wormtongue shanking him that impressive?Also do we know the light Gandalf creates is actually sunlight? Do fell beasts normally get burned by sunlight? But no because those things were flying around during the day, same with nazguls.
Gandalf banished him from the order.