Yudhishtra is worried over Karna assuming power as a Kaurava war chief for the 16th day war. As usual, Bhima takes it lightly and Arjuna is over-confident of his prowess. Krishna provides the reality-check by reminding them of the deadly Nagastra that Karna possesses. Bhishma is happy to learn of Karna's rise as commander-in-chief of the Kaurava army. He blesses Karna and asks him to carry on fighting without thinking of the outcome, as they cannot direct the drama unfolded by Time ('Kala'); they can merely witness it as a spectator. On the battle field, Duryodhana cheers up the army with the news of Karna being at the helm of affairs and Karna is given a rousing welcome. On the sixteenth day, Ashwathama fights with Drishtadhyumna and Bhima. Bhima kills a dozen Kauravas and then faces Vikarna. Bhima remembers Vikarna's lone voice berating Kauravas for dishonoring Draupadi at the assembly. He also remembers Vikarna's charitably sparing his life in the battle. Bhim...