Agreed. I appreciate the author adding the small effort to briefly describe the idiosyncratic pieces (e.g., Rune) in their unique problem space. So often, write

Agreed. I appreciate the author adding the small effort to briefly describe the idiosyncratic pieces (e.g., Rune) in their unique problem space. So often, writers believe their readers all play in a similar problem space. So they elect to leave understanding such idiosyncrasies for the reader to either dig deeper on their own, or self-select out of reading altogether.