User blog comment:B214/Light Novel Volume 16 spoilers/@comment-5185939-20131020023649/@comment-1359322-20131020152502

As to the Artificial Boosted Gear, it's been mentioned above already.


 * Oh, and speaking about Euclid's replica Boosted Gear, his one appears on his right arm. It has silver lines when he uses Balance Breaker and it doesnt have a Dragon residing in it. But he does require sacrificing several well-known dragon's spirits every time he uses it.