just got blood wizard achievement i can now help with any question

Just saw that the notebook is limited and ive been writing in massive letters and symbols this whole time, any way to erase what youve done?

I've noticed some of these weird floor panels. Seems to be a octagon with two squares: the larger square with the spell sigils and a smalelr square which has some random letters/symbols. I assume it's some kind of puzzle, but I feel like I've tried every spell and power Anyone have any idea what this thing is?...

it opens with the godot engine logo, and then crashes after a few seconds. help me, please!!!!!

Could somebody who has solved the name puzzle give me a bit of help? I've read all six notes, but the two which don't specifically say the letter are frustrating me and I'm not sure what I'm missing. Some extra clues, maybe the letters themselves if you spoiler tag it in case I get desperate, would be appreciated. The ones I'm struggling with are: "The left side of his throne is guarded by a creature with fangs sharper than the needle teeth of a cat." I thought it may be a letter that sort of lo...