So Try to mark quickly, and also pay attention to your ammunition. However, this mode diminishes your Dead Eye bar more rapidly than Dead Eye Rank 1. This can result in some very quick take downs. Pulling the trigger after marking will result in your character shooting each target in the order marked.
Rank 2 Dead Eye: 'Received during the 'I shall not give false testimony, Except for Profit' Mission' This ability slows down time, but also allows you to mark various parts of your enemies (And if your not careful Allies) bodies in a succession. This can also mean the difference between getting killed by a cougar and putting one down. It slows down time allowing you to aim carefully and take your shots. Rank 1 Dead Eye: ' Received in the beginning of the game.' This ability is very simple. =P ), but to make it a little more clarified.