User blog comment:Alcahona1095/High School DxD BorN Episode 11 Review/@comment-195.189.88.79-20150614082626/@comment-67.62.189.6-20150614191923

Why do you say that? When Euclid made a copy of the Boosted Gear it was very different. It was on the right arm instead of the left, and all the gold coloring was silver instead. Sacred Gears do evolve to adapt to their users.

For Issei, who specializes in hand to hand combat and isn't built around evasion, a full body armor is a must. Rias is a Wizard type, which are typically weak against direct attacks. Light armor that enhances power would be preferable.