So I made the dive and started this game with the full expectation of having a tough time, so that much is clear. But there are a few concepts that I'm having trouble understanding and I think it might relate to hints I have gotten regarding PVP/co-op, but I'm not quite sure.
In playing the game occasionally I see a ghost or apparition, typically emerging from the bonfire. This isn't exclusive, but its more common. Other times, it emerges from a blood stain. Are the ghosts some type of online/pvp cue or help?
Second, I'm confused over the use of the blood stain, sometimes if I'm not hovering over the stain properly, the prompt is there, but greyed out or disabled. One thing I'm not clear about is if this stain is different from my last kill "glowy" recover spot.
And these hints suggest that even though I am playing a single player campaign, at least I think I am, the online community can affect or influence my game. Is this the case? I realize there is an invasion option, which I am not clear on either, nor am I prepared for it. When it comes to co-op/multiplayer in other games, I am used to having to party up and join the game. With Dark Souls, sometimes I am getting the feeling that there may be more of a free-for-all interaction that I am unaware of.
Any clarification would be helpful for the simple fact of understanding what I am seeing. Thanks in advance.