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