User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-36663391-20181209201655/@comment-37165251-20181209203646

It is definetely possible that they are similar in a way. The Malebranche are out of the same Crystalls as the Evil Pieces are.

From what is know they have a concious and are made in a way like the Sacred Gears, but with a free will (which is why the Maou find them to dangerous and sealed them)