i agree with Perd, you all jumped to such funny conclusions, if you dont believe someone can "bleed all over the place" please do me a favour go to the chemist and a 2 guage hypodermic needle, tie and elastic band around the base of your finger (like they do on the top of arm when taking blood, alow the blood to pool a little bit and then jab the needle into the tip of your finger... im telling you the range and amounts of blood are amazing, if you panick and jerk your finger funny. it can spray as far as 3 meters just with normal pressure build up. so yeah, and also yes, people do pass out from donating blood which is whay firstly they make you sit or lay down before anything, secondly they give everyone who donates a glass of rehydrate cooldrink mix and a buscuit (standards set by the amercan heart association about 3 years ago that all doner centres even mobile should follow.) also they tell you not to go have a smoke for at least 10 minutes, and donors cant donate every day, they must wait at least 6 weeks to replace what was removed... all these reasons people are because even though the amount of blood drawn is small... it is still enough to put strain on the heart and lowers blood pressure... so yes all very understandble,
sometimes zarkana, when a person passes out they have a momen of clarity/enlightenment whatever you want to call it. the reason for this is because at the moment of birth as well as the moment of death a chemical is released in the brain. this chemical allows your soul to leave your body to find its own answers to life and death. what he saw could be anything from his minds interpretation of the posability of afterdeath (would explain the nothingness-pure open unbiased opportunity.) maybe he was actually in the underworld for a moment, but wasnt meant to die (if you believe in the whole book of life concept) and so he had to wait for death to fetch him and bring him back. he may have even met up wit his higherself and saw a representation of his power. the nothingness (void) and the blackness. again opportunity possability. unforunately i can not tell you for sure. the answers we seek are truly only answerable within our own minds perception. what do you think happened? what does he think happened, once you are a little more sure of what he wants to duplicaate, then i suggest, trial and failure, dont stop searching for that place until you find it. if you need help with explinations and how to get to places or even etheric projection. there are many people on this site who can help, i of course am always willing to help, my husband Kao is also a very knowledgable person. other people who might be able to help are nex, flagg, nekron and a few others (i think these 5 suggestions of people are the best if this is an underworld related situation.) if however you just want too duplicate the scene for him to visit, astral has fantastic abilities and can be "made" into what you want it to be, again myself, kao, bluerose, spiritwolf and also spirit guides can help you here.
hope i could help a little. ;D