Where do you find spells? Are they random loot drops? Are located in certain places?

It's my favorite weapon skill in the game, I'd like to teach it to another character, but I am not sure if a skill book for it exists outside the stones of time? If so, where can you obtain it?

Came back to try the game again because it's been updated, and I'm just getting walled by these ♥♥♥♥♥♥♥♥.

I'm at the part of the game where the bandits ambush the cart as its taking you towards the human border, and then you flee though a cave, and fight three demons for a boss battle. I feel extremely under-powered, and probably have to restart and do a second more grindy play-through, unless there is a way to cheese this boss battle. IDK probably just struggling with this battle, because I've never been good at video game boss battles in general is all....

My favorite update for this game as the player appearances being added, I hope to see more sometime! However, I wanted to ask if it was possible you might also have it so that changing your appearance also gave you that appearances portrait in the character screen? Desmond has the cutest portrait in the game, and it's a shame really that you never get to see it again after he dies. A much minor request, is when you are controlling a different partymember, your characters portrait in the upper left by their...