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 1996 1998 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