It seems the more they fell, the more take their place. Even with how many Venatori and Red Templars must have been lost beneath the avalanche on the mountain, there were more than enough to overtake their small group, were they anyone. And while Brigham might consider himself among the number of normal, the Herald most certainly is not.

He positions himself in the midst of the other companions, setting a repulsion ward around him. He bestows a mass heal on the party, to mend any bruises or small injuries they might find themselves inflicted with as they occur, and reserves his now limited mana, allowing himself to recover and keep an eye on the fight— and most importantly, Daithi.