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