As you could expect, Back 4 Blood is better enjoyed with friends in cooperative multiplayer mode, so the rejugability of its levels has no purpose as it addresses each chapter in more difficult difficulty configurations. In addition, however, there are also several achievements and trophies to mark. Here we explain How to find the secret in Blue Dog Hollow , part of the success of Easily Misty. How to find Back 4 Secret Blood in Blue Dog Hollow (achievement and trophy Easy Misty) This particular trophy is not too hard to unlock, it simply requires you to find an object on top of a small hill in Blue Dog Hollow. However, it is quite easy to overlook, given how difficult it is to see the full level. Then, first, go to Act 1, Blue Dog Hollow, Hells Bells, and fight to open yourself through the level. Remember that you must be in multiplayer mode to unlock achievements / trophies at this time; It is not possible to unlock them in a single player mode. Image Credit: Cheetah It progress...