Tacitus had written earlier that 'not a single fort established by Agricola was either stormed by the enemy or abandoned by capitulation or flight'. This was about to change. The Caledonians carried out a daring attack in the dead of night on the fortress of the sleeping Ninth Legion - it was payback time ! Tacitus doesn't admit that the Roman intelligence was wrong but that the Picts, 'suddenly changed their plan, and with their whole force attacked by night the ninth Legion.' They first set bodies of troops at key positions to intercept any fleeing Legionnaires and then advance units overpowered the guards. In Tacitus words, 'Cutting down the sentries, who were asleep or panic-stricken, they broke into the camp.'
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