1.) After attacks on Istar by evil renegade mages, the armies of the Kingpriest and his allies assembled to attack the Towers, which was a war that became known as the Lost Battles.
2.) After attacks on Istar by evil renegade mages, the armies of the Kingpriest and his allies assembled to attack the Towers in a war that became known as the Lost Battles.
Top answer
The first sentence implies that "the Towers" was a war, which I don't think is what you mean. Use the second one.
— GPY
The first sentence implies that "the Towers" was a war, which I don't think is what you mean.
Use the second one.
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