• There was going to be a small shiny marium
→ a small shiny mare
> As in Mare Imbrium. Two syllables, of course, roughly like "MAH-reh".

• she simplyclears her throat
→ simply clears

• ‘neath Darkness’s cloak
→ ’neath
> Stupid autocurlyquotes assumes that an apostrophe at the beginning of a word must be an open-single-quote.

Respectfully submitted,
Dr. Whom: Consulting Linguist, Grammarian, Orthoëpist, and Philological Busybody