Board Thread:Dark Souls II/@comment-25071275-20150516165618/@comment-4511886-20150516172716

The first part is the SotFS patch while the second is the SotFS ''release. ''The patch was free, but the latter requires you to purchase a SotFS edition of the game.

The unlimited respawn might be a bug. Are you sure the enemies you're fighting actually respawn at all? Non-respawning enemies still won't respawn without Ascetics even if you join CoC.