According to Trevor, vampires don't freak out at crosses due to them being holy symbols. Geometric shapes cause their brains to freak out due to their advanced perception.
The underground river is full of holy water. Because all the men of the cloth were killed, there can be no more made.
This was the people retaliating due to the church's stupidity in killing Lisa Tepes; which made Dracula attack them.
This was the people retaliating due to the church's stupidity in killing Lisa Tepes; which made Dracula attack them.