I heard a rumor from a guy who said you could actually lose a character in HC permanently, so I took my lvl 34 Necro and got him killed in HC just to test it, and now I can't play him at all! I hope Blizzard will fix this bug! I've spent over 8 hours on him, and I want him back! I read the ToS three times, and it said nothing about losing a char permanently, so bring him back, or I'll sue!
"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram