"All rituals require a small cabal to participate in order to stir the magical potential within the bloody inscriptions, necessitating that some of those present must also be already awakened: greater tier pale blood mages. They are fragile things and interference like combat or destruction of the written runes is enough to disrupt them. As well, rituals require that the sacrifices used to write them must remain living during the duration of the ritual lest the runes lose their potency; sacrifices are best as willing participants or protected prisoners. The use of blood for this feat’s purposes is measured in “living sacrifices” of the following levels:"
This, In my opinion, does not fit with the lore at all. Blood magic at its base is evil as it has a chance of summoning a horror which will try to kill people which I feel should directly break one of the supposed Covenants but I can't fine "Don't put someone in danger". It just goes against everything a Cleric should stand for. Not only that but you need a group to do these things, you either need a group of clerics all with blood magic which is stupid. Or you directly break a covenant by joining a 'cabal' otherwise known as a 'dark' group