In the morning after, Pan had begun the training of both Talia and the Argonauts. The training had progressed wonderfully in Pan's eyes. After a successful training session, Pan gathered Talia and the Argonauts.

Pan: You're all doing wonderfully in your training!

Midoriya: Thank you Pan! 

Pan: I believe it's time we head to the market. There's some errands I need to run.

Upon saying that, the Argonauts put up their training equipment and prepared to head to the market with Pan and Talia. When they reached the marketplace, most of the Argonauts were in awe of all the people.

Jiro: Wow! I haven't seen this many people since the Sports Festival!

Kirishima: No kidding Jiro! This is crazy! 

Yaoyorozu: Such culture!

Pan: The marketplace is quite the gathering of people from all walks of life! 

Midoriya: What do you need Pan? 

Pan: Talia and I will handle the errands. I brought you all here so that you may explore the marketplace to your heart's content! Who knows, you might even find something that might catch your eye! 

As Pan said that, the Argonauts began exploring the marketplace. As they explore the marketplace, Pan and Talia gather supplies. Pan was gathering various training equipment for the next few days. 

Vendor: Will that be all Pan? 

Pan: Indeed my good sir! Here is the payment!

Pan then tosses the vendor a bag of coins and concludes the purchase. Meanwhile, the Argonauts explore the marketplace.

Midoriya: This place is amazing! Where do we even begin?!

Bakugo: Calm the fuck down Deku! Can you quit nerding out for just one fucking second?!

As the Argonauts explore the marketplace, Jiro senses something wrong. Jiro activates her Sight of Hermes. She senses something dark behind them. Yaoyorozu quickly notices this.

Yaoyorozu: What's wrong Jiro? 

Jiro: Something's following us. 

As Jiro said that, the Argonauts were approached by a strange looking woman wearing a cloak. They all felt uneasy about her. 

Woman: Excuse me, I couldn't help but notice your....strange garb. Are you strangers in this strange land?

Bakugo: What's it to you lady?!

Midoriya: We're visitors. 

The woman then begins to chuckle. 

Kirishima: Are you okay miss? We really got to get going! Our teacher is probably worrying about us!

Woman: You mean the Satyr Pan? I afraid you have much more to worry about....

Suddenly, the woman launches a magical attack upon the Argonauts. She then removes her robe revealing a woman wearing a dark priestess tunic. Her hair and eyes were dark purple. 

Woman: Now then....where were we?

Bakugo: You're fucking dead, you bitch!

Bakugo then launches himself towards the woman using his Explosive Quirk, but the woman stops him in mid air. 

Bakugo: What the fuck is this shit?!

Woman: Such fiery youth. 

Yaoyorozu then summons the Spear of Virtue and throws it at the woman, but she catches it with her bare hands. 

Woman: The Spear of Virtue? How did you come across this? 

Kirishima and Midoriya launch a coordinated attack, but the woman simply fights them off with ease. Meanwhile, Pan and Talia hear a commotion as people run away.

Talia: What's going on Pan?

As Pan observes the situation, he hears Bakugo's roars and sees smoke from the aftermath of an explosion.

Pan: Something's wrong...follow my lead Talia! 

As Pan and Talia rushed to the source of the commotion, the woman begins laying a devastating assault on the Argonauts.

Jiro: Who is she?! What is she?!

Midoriya: We have to keep going! 

Woman: Pan has failed you as a teacher. You will all pay the ultimate price for his failures....

As the woman prepared to launch a devastating magic attack, she is attacked by Pan and Talia. Upon seeing the woman, Pan recognizes her.

Pan: I always knew we'd meet each other again....Calypsa.

Calypsa: Pan. It has been some time. 

Yaoyorozu: Who is she Pan? Is she one of the Blacktongues?

Upon hearing that, Calypsa laughs.

Calpysa: Don't insult me girl. Like I would ever align myself to that death worshiping cult! They are beneath me. My power is far more powerful than anything a Blacktongue could do! 

Pan then realized the serious danger presented before him. He knew that despite their numbers, the Argonauts were no match for Calypsa.

Pan: Talia. Take the Argonauts back home. 

Talia: But Pan....

Midoriya: We can't leave you!

Pan: There's no time to waste! Do not fear. I'll be right behind you. 

Seeing no choice, Talia took the Argonauts out of the area. Pan and Calypsa exchanged looks at one another.

Calpysa: You made a fatal error Pan. 

Pan: Have I? I've made many mistakes over the centuries, but fighting you certainly isn't one of them!

Calpysa then unleashes a powerful magic attack, but Pan blocks it by summoning a protective shield from his staff. Pan then unleashes a magic beam, but Calypsa deflects it with her hand. Calypsa then laughs.

Calypsa: I must say Pan, your power hasn't aged a day. But it won't do you good in the days to come!

Pan: And what makes you say that my dear? 

Calypsa: I'm afraid we're too early in the game to reveal. But rest assured, all will be revealed soon. And when it does, not even you and your Argonauts will be able to stop it!

As Calypsa said that, she vanished in a green mist. As she does, Pan is left concerned by the words she left behind.

Pan: (This is not good. I must prepare the Argonauts for whatever she has planned!)

Since he was unable to pursue Calypsa, Pan ad no choice but to return to the Argonauts. This encounter left what was supposed to be a training period troubled by a powerful sorceress.