HELPING THE OTHERS REALIZE THE ADVANTAGES OF SOUL COVENANT

Is there any covenant that interferes with one another? Like bloodborne's cainhurst covenant, to ensure I can't choose all in 1 operate?If i obtain the buff to Darkmoon Blade by having Rank 3 after which exiting the covenant and be part of back again, will it nonetheless hold the enhance?Each mission is sandwiched concerning two narrative segm