Draupadi received a boon from a Rishi named ‘Durvasa’. According to the legends, one day she helped the Rishi by tearing her garment when Rishi’s cloth carried away by Ganga. She was given a boon which caused an unending stream of cloth.
In fact, Dhritarashtra and Bhishma Pitamah were summoned to Hastinapur as soon as they learned that the Pandavas were still alive. The land was split equally between the Pandavas and the Kauravas, preventing any further conflict.
Krishna remained impartial in the battle although fought against the Kauravas. He even protected the yadavas whenever he could as part of his dharma.
Draupadi prayed to lord Shiva in her previous life upon failing to get married. Lord Shiva was impressed by her devotion and asked to make a wish. In excitement, she wished the husband with 14 qualities and repeated her wish five times. On that result, she got five husband in the next life.
Arjuna killed Krishna’s army with the support of Krishna as his charioteer.
Yudhisthira was shocked to see Duryodhana there as well when he entered heaven.
Once the battle was over and Pandavas had decided to go for heaven along with their dog and Draupadi. Each of them died but Yudhisthri. Because of his righteousness, he was the only human allowed in the world of the god alive.