Nightblades are highly dependent on enemy\'s susceptibility to their enchants. And the more aware enemy is of its surroundings, the more it can resist nightblade\'s enchants. So one way to increase enemy\'s susceptibility is to make him less aware. Make him apathic. And here we go, just cast apathy on your enemy, and voila, way for your enchantments is much easier.

See also: sadness, despair, hopelesness