Mardonius pitched camp on the southern plains in Boeotia Asopus river, facing the foothills Kiferona (Fig. 19). He cut down all the trees and surrounded the camp of wooden palisade. His cavalry could patrol the valley and protect the supply line from Thebes. The Greeks were evaluated Mardonius force of about 300 thousand people. The Persian cavalry were heavily armed cuirassiers commanded Masistiya; thousands of royal guards, previously guarded the king; light cavalry of Persia and Media, Saks Scythia, Bactria, and India; Greek cavalry from Boeotia, Thessaly and Macedonia. The structure of the infantry consisted of 10 thousand "Immortals" - the best army in the entire empire of Xerxes - and hoplites from central Greece. Fokiytsy did not send his fighters into Attica, but now under duress, they put a thousand hoplites. Their arrival Mardonius gave an opportunity to demonstrate the power of his cavalry on the plain. Surrounded by countless horsemen, hoplites stopped and lined the square, ready to storm of arrows and darts. But here Mardonius sent a messenger, who welcomed fokiytsev and warned them not to change the Persians. Mardonius hoped that the Greek army or attack in favorable conditions for him, either, not daring to attack and break up due to internal contradictions: he allied Greeks and oracles, to which he was referring, argued that the differences in the end will destroy the Greek resistance.