On the break of the next day, you lead your enemy out to fight the barbarians only to find that they have moved positions several hours earlier. They now lie in wait on the other side.  The river bed of the Tagus has not sure footing and crossing is difficult but you attempt to cross. Some of your infantry are swallowed by the current and carried away by the whirlpools; many are killed by the missiles and javelins of the enemy. By the time you get to the other side, the exiles, a hundred thousand strong are ready for you.  Your men fight fiercely, your war elephants and horsemen kill 10 men for every casualty of your own. Yet your army is gravely matched by the sheer quantity and ferocity of the barbarians.  Holding their ground and fighting for their homeland, the exiles refuse to retreat.  By nightfall you have won the day, but at what cost?

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