Here are some advantage you will gained by doing this:
1. Bonus extra limited edition item.
2. Bonus loot items from missions.
3. Bonus limited edition event avatar loot.
How To Do:
1. If you have completed any mastery tier you can just come back to 'Reset'.
2. Once you have reseted the Mission Tier, everything will be resetted but the bonuses will be there.
3. Recomplete all the missions for the exchanged of your BLOOD and Energy.
4. Keep on refilling your blood.
read more details on How To Earn More Blood
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