On the night Drona died, his son found out about it in the worst possible way — by walking onto a battlefield where the Kaurava army was already breaking and learning that his father had been killed while kneeling, unarmed, after being told a lie about him.
Ashwatthama’s response was to reach for a weapon nobody on either side had seen used, and which the Pandavas had no counter for. What happened next is the only moment in the entire eighteen days when the correct military response was to throw down your weapons and lie on the ground.
The Lie
Drona was unstoppable as long as he held a bow. Krishna’s assessment was blunt: he would have to be made to stop voluntarily, and the only thing that would do it was news of his son’s death.
Bhima killed an elephant named Ashwatthama and shouted that Ashwatthama was dead. Drona did not believe him. He turned to Yudhishthira, the one man in either army who had never told a lie, and asked him directly.
Yudhishthira said: Ashwatthama is dead — and then, under his breath, the elephant. Krishna had the war drums sounded so the second half would not carry. Drona heard the first half, set down his bow, sat in meditation on his chariot, and Dhrishtadyumna cut off his head.
The Narayanastra
When Ashwatthama learned what had been done, he invoked the Narayanastra — a weapon given to him personally by Vishnu, usable only once, and unlike anything else in the epic’s armoury.
Other divine weapons are aimed. This one is not. It manifests as a storm of fire, arrows, discuses and maces filling the entire sky above the enemy army, and it selects its own targets. And it has one property that makes it effectively unanswerable: it grows in proportion to the resistance offered to it. Shoot at it and it doubles. Counter it with another astra and it doubles again. An army fighting back against the Narayanastra is feeding it.
The Pandava army, seeing the sky fill up, did what armies do — it started shooting. The weapon intensified immediately.
Krishna’s Instruction
Krishna shouted an order down the line that no commander has ever wanted to give. Get off your chariots. Drop every weapon. Get off your horses and elephants. Put your faces to the ground and do not resist, and do not even think of resisting.
The Narayanastra, he explained, is Vishnu’s own. It cannot be beaten; it can only be declined. A man on the ground with no weapon and no intention to fight presents it with nothing to consume, and it passes over him.
Most of the army obeyed. Two men did not.
Bhima refused outright, called surrender on a battlefield a disgrace, and charged the weapon alone with his mace, shouting that he would break it. The Narayanastra converged on him entirely, and the fire began to concentrate around him until Krishna and Arjuna physically dragged him off his chariot, tore the mace out of his hands and forced him flat on the earth. The instant Bhima stopped resisting, the weapon lifted and dissipated.
The other holdout was Satyaki, who had sworn never to lower his weapon and abused Krishna and Arjuna for suggesting it. He survived because the army around him had already gone down and the weapon had nothing left to feed on.
The Second Attempt
Ashwatthama, watching the entire Pandava army lie down and get back up unharmed, invoked the weapon a second time.
Duryodhana urged him on. Ashwatthama’s own answer is one of the more chilling lines in the Drona Parva: the Narayanastra can only be called once in a lifetime, and invoking it again would turn it back on the man who released it. He had spent it. The greatest weapon he owned had been neutralised by an enemy who simply refused to fight it.
He fought on with the Agneyastra and conventional arms, and the war ground forward. But the moment had passed, and everyone on the field knew it.
What Makes This Story Timeless
The Narayanastra episode is the Mahabharata being genuinely clever about the nature of force. Every other weapon in the epic rewards the stronger, faster, better-trained fighter. This one inverts the entire system: the harder you fight, the worse your position gets, and the only survivable move is to become completely unthreatening.
Bhima’s reaction is the point of the story. He is the bravest man on the field, and his courage nearly kills him and everyone near him, because the situation calls for something bravery cannot supply. Krishna does not talk him out of it — there is no time — he simply pulls him down by force. The image of the strongest man in the world being held face-down in the dirt by his friends, for his own good, while a sky full of fire looks for something to burn, is one the epic does not bother to explain. It does not need to.
Retold from the Mahabharata, Drona Parva