User blog comment:DeathGodPrayer/Talk About What You Want!/@comment-213.106.131.123-20131031152845/@comment-68.210.1.131-20131102074950

To the individual who proposed his/her idea about the Boosted Gear's appearance being altered to the proposed design, I don't disagree with the concept. If anything, it would be interesting to see this or something similiar come to pass. On the other hand, and no offense intended, what you are proposing is a concept for a sub-species for the Boosted Gear. While not out of the question, it is more common to see a sub-species Balance Breaker than a sub-species Sacred Gear, even significantly rarer for an individual to have both occur to themselves in the story. Siegfried is the only comfirmed example in the cases of having both a sub-species Sacred Gear and Balance Breaker.

This is just a hypothesis based on current information but, what if the method for obtaining your proposed version of the Boosted Gear and the, and I use the following words loosely, "general method" for creating a sub-species Balance Breaker are similiar if not identicial. On the pages regarding information regarding Sacred Gears and Balance Breakers, both mention that there is a chance an individual can intentionally develop a sub-species on both counts. But specifics beyond this point are unconfirmed, thus my hypothesis. It's been stated and confirmed in the story that in order for a Sacred Gear to reach Balance Breaker, there must be a significant change in the User's heart and/or spirit. That is to say, the User must change in order to obtain a power that can change - or break - the world. An example would be when Issei crashed the wedding reception between Rias and Raiser. Issei felt that he was to blame for his master losing the Rating Game between Raiser and herself, especially for his weakness. He gave everything he had in that fight for Rias, himself, and the peerage but ultimately lost. Despite this, he still wanted to save Rias from what would have been an unhappy matrimony. A desire to right the wrong of the hand he had been dealt, combined with the deal he made with Ddraig, gave him the will and strength to reach out to his Balance Breaker if only for a few seconds. If this can be used to activate/obtain a Balance Breaker, what if this can be used to influence a Sacred Gear into evolving into a sub-species? If the answer is yes, then my question to you and anyone else who is reading this is: what would it take for Issei to develop a sub-species Boosted Gear, especially the one you proposed.

Also, if anyone is curious, I am the same contributor who proposed the..... throughly explained hypothesis of what could happen if Issei obtained Euclid's Artificial Boosted Gear as well. I look forward to any future comments on this question/subject.