Kill one of your former friends
Kill 10 enemies with an explosive barrel
Kill 10 enemies by pushing them into a pit
Play through any act with a co-op partner
Revive your co-op partner 10 times
Kill your co-op partner with an explosive barrel twice
Suck 1000 litres of blood
Roya stayed unharmed collecting the vampire blood
All Blood Coins collected
3 vampiric decisions made
3 human decisions made
Blood Seal returned