Do you want to compare KillGrave with Siryn? Discover the powers, weakness & weapons of KillGrave and Siryn from KillGrave Biography and Siryn Biography. Find out all about KillGrave and Siryn.# Check out how is KillGrave unique and distinct from Siryn. Discover their love interest, sidekicks, family tree and the movies and games list in which KillGrave and Siryn have appeared. Find out everything about them here!