Source on rest should be the default tbh since you can farm it after every fight. I think they added them to the game as an option in the loot bags that they introduced later on.
Name of the wind was great. The only reason I didn't start the second book was the Author's refusal of releasing the third and "final" book. I prefer cutting things on my terms rather than being forced to. it sounds stupid but at least I feel in control that way lol.
That's when you realize you've come across TBBG