User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-12.96.67.34-20180512200720

Examples:

1.Cao Cao:the orbs are meant for easier methods to defeat his opponents by using the certain trait of enemies he has fought over the years, proving that while he's strong he not used to long battles or that he's envious of his fellow sacred gear wielders.

2.Kiba:creates knight-like scalemails which can be symbolic of how without someone fighting by his side he would never made this far.

3.Sairaorg:it's obivous that the armor views his self-esteem as how he has trained and that using a weapon would make him believe that he would be seen as a weapon specialist and without it he would be nothing.