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