Comments on range weapons having some coding issues. And why are only Thrown and Impromptu weapons written like this? Rest of weapons under Ranged Combat section, for example, shortbows, have their damage as $1D6-1$, as opposed to \addtocounter{damage}{-2}%
\dmg{damage}

When the spell enters an index, the exclamation mark is treated as a command. Escaping it by using '"!' will not work, as the same spell-description is also used outside the index.