The Blood Reign event is rather pointless and it seems luck of the draw determines if you get a loot item at the end of the round. You can either sit back and let chance seal your fate or you can do something about it and be part of the winning faction. Based on the percentage stats that are provided on the home page banner, you want to be a Vampire when the round expires. If you find you are a Hunter and in the minority there is something you can do about it. Follow the steps below to quickly become a Vampire.
Step 1: Check your status towards the end of the event. If you are a Vampire, keep your health below 20 to avoid getting iced by a rare and random Hunter. If you are a Hunter proceed to step 2.
Step 2: Go to the War Page of the a strong fighting clan and insult them.
Step 3: Put yourself on auto-heal and wait for the attacks to begin. No need to do anything else as word of your injustice will spread fast. Not only will you become a Vampire within minutes but so will everyone who shares the same family tag as you!