It makes no sense that it cannot be prevented,...
Benedictus (Di)
Type: Hero Enh. • Brigade: Teal/White • Ability: 2 / 4 • Class: Territory • Special Ability:
Negate all special abilities on Sites and Lost Souls this turn. Your Heroes have access to all Sites this turn.
The Centurion at Capernaum (TP)
Type: Hero Char. • Brigade: Red • Ability: 7 / 6 • Class: Warrior • Special Ability:
Negate special abilities on Sites and Evil Characters, except banding and warrior class. This Hero has access to all Sites.
I think it makes sense. I wouldn't be surprised to see CBN sites in the future.