Final answer:
The sentence in the poem that describes when the enemy attacks is 'At dark of night, wreaks unseen havoc, Among the Shieldings, deals uncanny Slaughter and suffering.'
Step-by-step explanation:
The sentence in the poem that describes when the enemy attacks is: At dark of night, wreaks unseen havoc, Among the Shieldings, deals uncanny Slaughter and suffering.
This sentence portrays the moment when the enemy launches their attack, causing chaos and destruction. The use of the words 'dark of night' and 'unseen havoc' emphasize the stealth and surprise of the enemy's actions.
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