What is the best metaverse index fund?

So, I'm curious to know, what exactly would you consider the best metaverse index fund in the market today? With the metaverse industry booming and investors eager to capitalize on its potential, it's crucial to identify a reliable and well-diversified fund that can track the performance of this exciting new frontier. Could you elaborate on some of the key factors one should consider when evaluating different metaverse index funds, and perhaps point out a few top contenders in the field?