Try to free Supergirl

After going over your options, you decide to try to free Supergirl. The other options are just too risky and you think you'd stand a better chance if you had some backup. You sneak your way around, moving from pillar to pillar. The men, probably not expecting any interruption, remain focused on their work and you are not detected as you creep up to the obelisk. Supergirl is still out, so you give her a few light pats on her cheek to try to wake her. She stirs with a moan and you quickly have to duck around the corner as the sound draws some attention.

"Ah your friend is finally waking up, Miss Zatara," the leader says. "It's still not too late to save her if you cooperate."

"When I get out of here, I am going to kick your ass and banish you to a mystical box where you can spend the rest of eternity with your mistress," Zatanna retorts.

"Hah we shall see." You peek back around the corner and he has gone back to his work. Zatanna, however, is still looking at her bound friend from her position on the altar and she spies you as you reveal yourself. You put a finger to your lips to signal her to stay quiet, as if she needed to be reminded of that. Supergirl, now awake, also has her eyes on you. She mouths 'Where are we?' to you and you respond with a shrug as you pull your lockpicks out. She shakes her head at you and starts pulling on the chains, but they don't break, even as she strains against them. You get ready to hide again as the noise might draw the eyes of the cultists.

"Okay fine. I'll do it." Zatanna suddenly says. This draw the attention of the robed men toward her and away from you, allowing you to go back to picking the locks.

"Good. I'm glad you are coming around," the leader says. "Now, what is the release spell?" As you suspected, these are classic, old-school shackles, which are thick and strong, but also not too difficult to pick. With a couple quick fidgets, you are able to pop the shackles open, freeing Kara. That, however, makes a little too much noise and the man wheels around. "Hey!" You barely have enough time to pull Kara around the corner as a burst of energy sears past you. "GAH! You two, begin the ceremony," the man instructs his partners. "I will deal with this nuisance."

Kara tries to stand, but she is still a little wobbly, so you help her up and carry her out of the stone circle, taking cover behind a boulder. "What the hell is going on?" she asks.

"I don't really know, but it's safe to say we aren't in Vegas anymore."

"Well, wherever we are, there's no yellow sun. I'm sapped and I'm not recharging," she gives a frustrated punch to the ground.

"Come out, come out, wherever you are!" you hear from around the corner.

"Hey. Remember what you told me," you tell Supergirl. "It's what's in here that counts." You give her a poke in the chest and she gives you a smile. "Now, we have a magician to save. And maybe ourselves too while we're at it." The two of you stand up. "Want any gear?" you offer.

"No I'll be fine." She rips a couple slits up the sides of her red dress. "That's better," she says as she tests out her mobility. "Now, how are we going to take this guy out?"