It breaks co-op. You can go down any of the four roads at about the same level. Makes it totally impossible to find signs.
It's not impossible, i find summons all the time, and I've restarted twice going different paths Though it might just be because the DLC is still bringing in people atm. --- FC: 0189 - 9442 - 1365 IGN: Nero
Soul memory generally bothers people who die a lot.
I'm actually not sure I've ever lost souls. I've broken many Life Protection Rings, but that's typically because of doing idiotic stunts. This topic came about because of a ND/NB attempt, and you just feel pressured when you're pulling that sort of thing.