<p>I know a lot of people know this by now, but not everyone.
</p><p>WhatI mention here can be backed up by SliceOfOtaku's YT video here: https://www.youtube.com/watch?v=SwnEMihUiaQ
</p><p>
</p><p>1. It had four arms.. the temple has eight.
</p><p>2. Throught the play it is called "Giant Woman" hmm... where could that come from?
</p><p>3. Amethyst, Pearl and Garnet were the only present gems during the sighting of the fusion.
</p><p>
</p><p>The gem is most likely Opal.
</p>