Shadowheart

I see. [well. frowning.] It may look similar, but I'm not sure it is. I've been inside the prism. It's a whole space in there, with people trapped inside.

But there is something housed inside it with the power to resist. That is why it was a prized artefact of the githyanki. [which she stole from them lmao] And also why the Sharrans tasked me to retrieve it, though to what end, I could not say.