Level 2 · The Mahabharata

The Great War

15 min
Lesson 6 of 7

The Great War

18 days of battle, key events, heroic deaths, and dharma tested

Eighteen Days That Changed Everything

The Kurukshetra War lasted just eighteen days. In that brief span, millions died. The greatest warriors of the age fell. An entire generation was nearly wiped out. And the world was forever changed.

The Mahabharata's war chapters (Bhishma Parva, Drona Parva, Karna Parva, Shalya Parva, Sauptika Parva) contain some of the most dramatic narratives in world literature.

The Armies Assembled

The scale is staggering. Ancient texts describe:

  • Kauravas: 11 akshauhinis (each akshauhini = approximately 21,870 chariots, 21,870 elephants, 65,610 cavalry, and 109,350 infantry)
  • Pandavas: 7 akshauhinis

The numbers suggest armies in the millions, though these are likely symbolic, representing the apocalyptic scale of the conflict.

Notable warriors with the Kauravas:

  • Bhishma (the grand patriarch)
  • Drona (the teacher)
  • Karna (the tragic hero)
  • Ashwatthama (Drona's son)
  • Kripacharya (another teacher)
  • Shalya (king of Madra)
  • Duryodhana and his 99 brothers

Notable warriors with the Pandavas:

  • The five Pandava brothers
  • Krishna (as charioteer and advisor)
  • Dhrishtadyumna (commander, born to kill Drona)
  • Shikhandi (Amba reborn)
  • Abhimanyu (Arjuna's son)
  • Drupada and the Panchalas
  • The sons of Draupadi

The Rules of War

Before battle, both sides agreed to dharmic rules of engagement:

  • Fighting only between equals (infantry with infantry, chariot with chariot)
  • No attacking someone who has surrendered
  • No fighting after sunset
  • No attacking non-combatants or those who have lost their weapons
  • No attacking someone who is fleeing

The tragedy: Almost every one of these rules would be broken as the war grew more desperate. The erosion of dharma in war is a major theme of the epic.

Days 1-10: The Generalship of Bhishma

Bhishma, the grand patriarch, commanded the Kaurava forces for the first ten days. He was nearly invincible, his arrows fell like rain, decimating the Pandava army.

Yet Bhishma fought with conflict in his heart. He loved the Pandavas and knew they were righteous. Each night after battle, they would visit him for advice.

The dilemma: How could the Pandavas defeat someone who couldn't die unless he chose to? Finally, Bhishma himself revealed the secret: he would not fight Shikhandi, whom he saw as a woman (Shikhandi was born female, later became male, and was Amba reborn).

On day 10, Arjuna placed Shikhandi in front of his chariot. Using Shikhandi as a shield, Arjuna pierced Bhishma with countless arrows. The grandfather fell, coming to rest on a bed of arrows, where he would lie for weeks, choosing the moment of his death.

Days 11-15: The Generalship of Drona

Drona, the teacher who had trained both the Pandavas and Kauravas, now led the Kaurava army. His strategy was focused: capture Yudhishthira alive, which would end the war without destroying the Kuru line.

The Chakravyuha: On day 13, Drona formed a deadly circular formation. Only Arjuna knew how to break out of it, but he was lured away to fight elsewhere.

Abhimanyu, Arjuna's teenage son, knew how to enter the formation but not how to exit. He fought his way in, performed heroically, and was eventually surrounded and killed, against all rules of dharmic warfare, by multiple warriors attacking him simultaneously.

Arjuna's grief was terrible. He vowed to kill Jayadratha, who had blocked Abhimanyu's escape, by sunset the next day, or immolate himself.

Krishna's intervention: As sunset approached with Jayadratha still alive, Krishna created an artificial darkness using his powers. Thinking the sun had set, Jayadratha emerged from hiding to celebrate, only for the "eclipse" to end, revealing Arjuna ready. Jayadratha was killed.

Drona's death (Day 15): Drona was unstoppable. Krishna devised a controversial plan: Bhima killed an elephant named Ashwatthama, then Yudhishthira announced, "Ashwatthama is dead", adding quietly "the elephant", knowing Drona would hear only the first part and believe his son dead.

Drona, broken by grief, laid down his weapons to meditate. In that vulnerable moment, Dhrishtadyumna (born specifically to kill Drona) beheaded him.

The moral weight: Yudhishthira, the son of Dharma, had spoken a half-truth. From that moment, his chariot, which had always floated slightly above the ground due to his righteousness, sank to earth.

Days 16-17: The Generalship of Karna

Karna, Duryodhana's loyal friend, took command. The brothers who had never known each other faced off: Arjuna and Karna, both sons of Kunti, both peerless archers.

Karna fought brilliantly but was hampered by curses:

  • His guru had cursed him to forget his divine weapons at the crucial moment
  • The earth goddess cursed him that his chariot wheel would sink at a critical time
  • He had promised Kunti to spare all Pandavas except Arjuna

The final duel: As Arjuna and Karna fought, Karna's chariot wheel sank into mud. According to dharmic rules, Arjuna should have waited. But Krishna reminded Arjuna of all the Kauravas' violations, the dice game, Draupadi's humiliation, Abhimanyu's murder.

"Where was their dharma then?" Krishna asked.

Arjuna shot his arrow. Karna, the unknown eldest Pandava, died fighting his own brothers. Only after his death did Kunti reveal the truth, filling the Pandavas with grief for the brother they never knew.

Day 18: The End

Shalya briefly commanded, then fell to Yudhishthira. The Kaurava army was devastated. Only Duryodhana remained, hiding in a lake, using his yogic powers to breathe underwater.

The Pandavas found him and challenged him to fight. Duryodhana chose to face Bhima in a mace duel.

They were evenly matched, both students of Balarama. The fight seemed endless. Finally, Krishna reminded Bhima of his vow: to break Duryodhana's thigh, as punishment for the gesture Duryodhana had made to Draupadi in the dice game.

The blow: Bhima struck below the waist, a forbidden move in mace combat. Duryodhana fell, mortally wounded.

Balarama, arriving to see the end, was furious at the violation. But Krishna defended it: those who live by adharma cannot claim dharma's protections.

The Night of Horror

The war was won. But that night, Ashwatthama (Drona's son), along with two other survivors, launched a revenge attack on the Pandava camp.

Believing he was killing the Pandavas (who were actually away), Ashwatthama slaughtered everyone in their sleep, including the five sons of Draupadi, Dhrishtadyumna, and countless others.

When discovered, Ashwatthama released the Brahmastra aimed at the wombs of Pandava women, trying to destroy the dynasty entirely. Krishna intervened to save Uttara's unborn child, Parikshit, the sole hope for the Kuru line.

The Vows Fulfilled

Every terrible vow made at the dice game was fulfilled:

  • Bhima broke Duryodhana's thigh, as he had vowed
  • Bhima drank Dushasana's blood, as he had vowed
  • Draupadi washed her hair in Dushasana's blood, as she had vowed

Vengeance was complete. But the taste was ash.

The Cost

When the dust settled:

  • All 100 Kauravas were dead
  • Almost every major warrior on both sides was dead
  • All of Draupadi's children were dead
  • Millions of soldiers were dead
  • The women of Hastinapura had become widows
  • Only one child of the next generation survived

Yudhishthira's grief: The victorious king walked through the battlefield, seeing the bodies of his teachers, cousins, and friends. Victory felt like defeat.

"What use is a kingdom won by killing those for whom we desired the kingdom?" , his question echoes through the ages.