contagion legacy someone should mention the contagion and legacy arcs in the article as they're the storylines where ra's al ghul really ascends to supervillain status they happened around ra's released a virus that wiped out about three quarters of the world's population batman would proceed to protect the cities that still contained humans gotham calcutta edinburgh etc against ra's further terrorist attacks azrael and the cult of st dumas also play a large part in the beginning of the arc