Final answer:
Jasmine and John were the first two people to leave the post-battle celebration.
Step-by-step explanation:
In the given passage, the first two people to leave the post-battle celebration were Jasmine and John. The passage states that after the battle ended, Jasmine fell asleep leaning against a tree, while John sat with his arm around Kismine and watched the aftermath of the battle.
Therefore, Jasmine and John were the first two individuals to leave the celebration.