Zelda Sealed Palace at a dead end?

[spamzilla]

I played this mod all the way up to Ganon's Castle and I finally seem to be stuck.    I scoured everywhere including with the lens of truth. There is one locked door but IDK where the key is at or if it even exists. These pics show where I am impeded by an evil barrier:

[Ok Impala!]

You'll surely get an answer in the Hylian Modding Discord. There is a channel for Sealed Palace there, maintained by the authors of the hack. Here is the invite link: discord.gg/qQqDsM8