User blog:KALegend./How powerful is Mordred?

Many people are wondering why Mordred seems to have forgotten his own past: both the 'I will never forgive, and I will never forget' scene and the telepathy. Even Arthur seems to have conveniently forgotten he ever had magic at all!

However, what I wonder about is that Mordred was supposed to be a druid with exceptional powers, and was valued by many. However, in Series 5, he is not shown to have massively strong powers. I can't help but wonder why this would be. I can understand changes in clothing, hair, personalities etc, but surely his magical powers can only grow?