Death cult, lots of references to blood, keeps coming back, wants people to "let him in".
Speaking as someone who is a pretty strong and active Chrstian; your presentation of Christianity is so radically off from reality I can’t even be offended; just embarrassed for you that your idea sounds like the sort of thing a 12 year old boy would think is hilarious and edgy... like drawing dicks and boobies on pictures.
Christianity is such a death cult that it condemns both murder and suicide and preaches eternal life where one can never die; also heals the sick and raises the dead. So basically a Life cult... a garden, not a grave.
Blood has been seen as the source of life since the dawn of history (you try living without it) which is why vampires steal it from the living to sustain themselves. Jesus instead gives his blood away...so again, opposite land from a vampire.
And references to blood are just a tiny part; how about living (i.e. flowing) water, to being the light of the world and associated with daytime (and most of his recorded appearances post resurrection were during the day) and with purifying fire. He doesn’t fear the cross for it was the means by which he destroyed the power of death. Basically he claims to embody all the things that are traditionally banes of vampires.
Likewise, Jesus didn’t keep coming back; he rose once and then ascended to Heaven. Post resurrection apparitions are almost invariably Mary, other saints or angels.
Also it’s not “let me in” (seriously, I defy you to find that anywhere in the Bible), it’s “come and follow me.” Also, post-resurrection Jesus regularly appeared in locked rooms and other places he wasn’t invited (because it all belongs to Him as King of the Universe anyway).
So, basically, you have to so misdefine Christianity to try and make it fit vampirism that it will always be taken asthe ravings of an ignoramous who can’t even bother to do proper research in their desperate bid for attention seeking.
Also, just reconfirming the above makes it even more obvious that Jesus and vampires are basically exact opposites and so the vampire is far better represented in a setting as an Antichrist figure.
Try harder little edgelord. Right now your average SJW wackadoodle presents more offensive attacks on the Church. You’re just that twelve year old who thinks he’s so cool scribbling cartoon dicks onto pictures with a sharpie.
Hmmm... Maybe it's me but your storyline is unclear.
Actually, it’s a really old bit of VtM lore... if a Catholic Priest with True Faith performs the Mass then a vampire can drink the communion wine (provided they make their conscience check to avoid it scalding them like liquid sunlight) to regain blood points because they are consuming the actual blood of Christ (if they succeeded on the test they also gained a dot of True Faith and Prey Exclusion: Catholic Priests).
There was even a monastic order of vampires I believe who were sustained entirely on the Blood of Christ they consumed at a nightly midnight Mass. It later got retconned out as making things “too easy” to avoid being monsters (and it made the Catholic Church into unabashed good guys when their early progressive inclinations wanted the Inquisition as portrayed by the notoriously anti-Catholic Jack Chick).