With Alchemy, the third Defensive War <l:6,66>Advance<e>, Civilizations add primitive chemical weapons to their arsenals. The <l:1,13>Fire Galley<e> dominates the ancient inland seas. Possession of the Wonder, <l:3,7>Philosopher's Stone<e> automatically opens embassies in all Civilizations as <l:1,9>Diplomats<e> from distant lands are drawn in by the Stone's allure.
