Complex sentence: Dracolisks, in addition to their petrification attack, also have the breath weapon of their parent dragon, e.g., a dracolisk with a red dragon parent would have fiery breath whereas a dracolisk with a black dragon parent would have acidic breath.
Split into simpler sentences: Dracolisks, in addition to their petrification attack, also have the breath-weapon of their parent dragon. E.G, a dracolisk with a red dragon parent would have fiery breath, and a dracolisk with a black dragon parent would have acidic breath.