As morgana, Her Q can be blocked by minions. If the enemy is positioning well throughout the laning phase, it will be very hard for you to land this ability.

Misuse of her E can lead her to many nasty situations which are potentially lethal for her. This is especially true if her opponent has some form of hard CC.

Missing her Q can give her enemies a long time window to harass her freely. That ability is quite easy to dodge if she tries to land it from vision or from maximum range. As morgana, His Q can be blocked by minions. If the enemy is positioned well throughout the laning phase, it will be very difficult for you to land this ability. Misuse of his E can lead her to many unpleasant situations that are potentially fatal to her. This is especially true if her opponent has a hard form of CC.