Evil Twilight Sparkle proves her loyalty to the Overlord/Making a first wish

Here is how Evil Twilight Sparkle proves her loyalty to the Overlord in The Overlord Unleashed.

Meanwhile at the Castle of Friendship, the Group of Equestrian Leaders (except for Queen Novo, Princess Ember and King Thorax) were held hostage.

Prince Rutherford: Yak no like being prisoners to evil!

Evil Twilight Sparkle: Quiet you!

Nindroid Warrior: Move along, the Overlord would like to see you.

So, she left to see what the Overlord wants from her.

When she came to see him, Evil Twilight bowed to him.

Evil Twilight Sparkle: You wish to see me, Master?

The Overlord: You do realize that I'm the one who brought you girls to life.

Evil Twilight Sparkle: Yes, Master. I serve my loyalty to you as well as the girls will.

The Overlord: Good. Now, back to work with you.

Evil Twilight Sparkle: Yes, Master.

Nadakhan: Master Overlord, perhaps you would like to make your wish to carry on your plan?

The Overlord: I'm ready, Nadakhan. (takes the lamp) I wish for the Universal Map of the Castle to show me where the four princesses of Equestria are.

Nadakhan: Your wish is yours to keep.

So, Nadakhan casted a spell on the map showing where they are right now.