Losing a HC character because of their, THEIR (not mine) "disconnection" is something that really gives you.. Nothing, not a single good gaming emotion.
It's the same feeling you got at least once, overwriting a 200+ hours savegame on console when you was a kid.
It's pure shame, nothing gained.. Nothing learnt.. Because it's not your fault this time.
You can't imagine how FRUSTRATING it is until it really happens to you personally.
..HC's existence is insulted by this happening.