Chance had once again been separated from the group — wilfully.

It wasn’t that the group excluded him, it was that Chance simply chose to separate himself from the rest — much like you, except you stuck with the group even more rarely than Chance did.

Now, having been isolated from the group, wandering outside alone in the open, his headphones blocking him from hearing any external sound, Chance decided to use this time he had to flip his coin to decide whether to return to the group or not — oblivious of the killer practically looming over him from behind.