User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-43933896-20191026211813/@comment-29963364-20191027050022

That's not a new armor. Both pictures are showing the same normal BxB form but from a different angle and lighting.

Also, Tobio's BxB (both normal and Abyss Side) doesn't give him armor. It literally transforms him into a multi-tailed humanoid dog/wolf-beast.

Both these pictures are taken from the events of Tobio's Highschool years. He's still learning how to master his normal BxB, so he's not even close to achieving his Abyss Side yet (he's 17 in Slash-Dog, and 21 in HS DxD, so he achieved it within that time-frame).