Answer: i think it would be a fort
Explanation:
because they used them for protection and a fort would be the closest answer to protection
Answer:
I think the answer is Water...
The hyperbole 'ice-hard' has the effect of increasing how good Orpheus's music sounded, because it portrays Hades as being cold and unmoving, yet still Orpheus was able to break through that to make Hades feel emotion