Undertale: Heaven's Prism

Undertale: Heaven's Prism

Project Overview

What happens in a world where magic lives and breathes, monsters and humans live hand in hand, and a certain god (or demon) turns their eye?

Undertale: Heaven's Prism is a swap AU of the 2015 indie game Undertale by Toby Fox, along with taking characters from its sister game Deltarune. This is produced without any connection or affiliation with the creators of the original games.

SUBMISSION GUIDELINES

Submit by June 30th 2025 at 12 p.m. EST.

Submit in mono format. if possible.

Lines for the final project will be recorded virtually; we are looking for GOOD AUDIO QUALITY.

Good luck!

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Latest Updates

  • Callback List

    WE OFFICIALLY HAVE A CALLBACK LIST!!! Please check your DMs on Discord and/or Casting Call Club to see if you've been called back.

  • Audition Lines Error

    Hi folks! If you looked at the auditions for Toriel or The Angel recently, you may have noticed that they had no audition lines. We're unsure how that happened, but their lines are back up. We apologize for any inconvenience this might've caused. If you previously submitted for either of them, no need to resubmit, but if you still need to submit, please use the new lines (I believe they're the same but I'm not 100% sure) and make sure to get them in before June 30th. Thanks!

    -Calypso, on behalf of Team Shatter

Voice Actor
Voice Actor
Asgore
closed
Unpaid
Role assigned to: DjDragon440

Lead

11 years old, excitable, views the world as an adventure

Language:
  • english
Voice description:
  • male child
  • Smile for the camera!

  • I gently pet the Croakkit. It...enjoys it?

  • You know, I thought everything up top was nothing compared to down here. Thing is, after Metta… it feels the same as there. Escaping didn’t work. So I’ve decided… Let’s tear it all down, Tori. You and me, against the world. How’s that sound?

Voice Actor
Voice Actor
Young Toriel
closed
Unpaid
Role assigned to: Rachel Sun

Lead

11 years old, jaded, views the world as torture

Language:
  • english
Voice description:
  • female child
  • Out of the way, we have a world to save.

  • You know I don't like pictures of me.

  • This is an empty world. There’s nothing out there that can fix us. We don’t want to be fixed. We want to be free. And if you’ll stand in our way… I’ll tear that smile off your damned face.

Voice Actor
Voice Actor
Toriel
closed
Unpaid
Role assigned to: Anna

Lead

25 years old, paranoid, views the world as a game

Language:
  • english
Voice description:
  • female adult
  • ...Are we still friends?

  • “I’ll deal with the tech. You just deal with the people inside.

  • After all we’ve been through… You betray me now?! After all the times we’d gotten stronger, after all the people we killed, you have second thoughts now!? I thought… I thought we had something special! I thought you were different! No, you’re just like the rest!

Voice Actor
Voice Actor
Chara
closed
Unpaid
Role assigned to: Kat the Cat

Lead

~100 years old, confident, views the world as something to experiment with

Language:
  • english
Voice description:
  • androgynous
  • I was just trying to make sure you were okay...you are okay, right?

  • Ooh, chocolate!

  • Gah! … So it was you the whole time, huh? Heh heh heh. And here I thought you were different than those outside. Nope. You’re just like what I fought all those years ago! Selfish! Idiots! And worst of all… You look regretful. Ha ha ha! Sorry, kid! You already made your choi-

Voice Actor
Voice Actor
The Angel
closed
Unpaid
Role assigned to: Sam Power

Lead

Vengeful, views the world as a lie

Language:
  • english
Voice description:
  • androgynous
  • Stand down, children, and be not afraid.

  • Time ticks onward. You can't stop it.

  • You’re here? So, they couldn’t… I thought so. Hell, I knew so. I ran so hard and so far to get away from you. And you still had time to kill everyone in your path. I’m amazed, actually. But I’m done running. I’m DONE sitting around for you to kill me! I’m taking you down! Even if it costs me everything!

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