Okay here's the Iron Duke. He just hates the Basilisk and is an AI with better powers than the Basilisk. His only mission is to protect people from the Basilisk

Okay here's the Iron Duke. He just hates the Basilisk and is an AI with better powers than the Basilisk. His only mission is to protect people from the Basilisk and to defeat the Basilisk which he achieves by unplugging the Basilisk's power supply.