Lyric discussion by Scoresby 

I'm absolutely amazed noone here thinks it's about a rededication of faith – our protagonist has some kind of near or technical death experience and has a vision of the afterlife, with Christ at the head of a heavenly chorus. They're overjoyed to find that the resurrection and assumption were real ("I saw you touch down/you were no longer dead") and naturally they have "lots of questions". The wound in His head is from the crown of thorns, but obviously that's not the only one – hence the emphasis on "blood flowing freely from you", which also suggests His selfless nature.

I'll admit the mention of a hole in their skull is a little problematic for my hyper-literal reading, but maybe John's just intended it as allegory. Either way the jubilant tone of the whole thing suggests that this whole near-death experience has given the narrator a strong sense of meaning that maybe wasn't there before. A neat song anyway!

Hemingway, does the band have one Christian member? (Serious question)

OK, I quickly skimmed over a few articles on the band and have a better understanding of it and why you think the song's about a "rededication fo faith." Not too familiar with the band's music and was getting it confused with Crystal Castles (ick ick ick)

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