Here is the full list of all 14 inFAMOUS: Festival of Blood trophies - there are 11 bronze, 2 silver and 1 gold.
Destroy a balloon.
Defeat Bloody Mary.
Stake 100 Vampires.
Stake 20 hidden Firstborn vampires.
Bite a member of a street parade.
Collect all Canopic Jars and max out your blood meter.
Discover all of Mary's Teachings.
Unlock all powers.
Collect half of the Canopic Jars.
Stay airborne for 250 meters while in Shadow Swarm.
Bite 100 Civilians.
Return to the underground while no mission is active and travel from one end of the catacombs to the other.
Clear out 20 Vampire packs.
Play 20 Festival of Blood UGC Missions