1. What system are you using? D&D has various editions, each with unique rules.
2. What is "Swords of Revealing Light"? Is this a spell, a magical item, or a special ability?
3. What are the specific effects of "Swords of Revealing Light"? Does it provide a bonus to attack, reduce the monster's attack, or do something else entirely?
Once I have this information, I can explain the interaction between the monster's higher attack and the effect of "Swords of Revealing Light" to help you determine the outcome of the attack.
Please provide more details about your specific situation!