Dark knight is game of cooperation and team strategy to win the battle, ratio and proportion of troops shall determine the winner if you have 50℅ chances of winning will be based on level of troops and numbers, the dark knight, dark elite and the worst attack the dark boss, shall dominate each attack, players who's offline and didn't join the event, shall a high chances of losing, higher level of embassy, numbers of troops, together with science research and upgrading turrents are the key major role of winning, my onlconcern during the attack is the dark boss, which is compose of numerous numbers of troops which hit my castle of 800,000 troops, which is even I reinforce I lose, this may consider with COK team to balance the stacker and the defender. Hope this little information may help the COK Core player.....thank you