You nailed the disturbing eldritch tone with the narrative, visuals and sound! However, aside from that, the game doesn't fit the theme as it's just generic RPG battling with pretty repetitive gameplay. Wish there was some strategy! If you were to turn this into a full game you would need to get a main mechanic that enhances and brings out the creepy tone of the game!
In my opinion, the main takeaway from this jam game is to shrink your game's scope because it feels too big, like you were trying to create an epic meta-narrative but ran out of time! Jam games should be short, sweet and polished playable ideas that, if works, could be turned into a full release post-jam!
Still, I think you did a good job!