Battle Bot

Battle Bot is an event quest in Fallout 76.

Quick walkthrough

 * Engage the Hornwright security bot.
 * Obtain security keycard Alpha.
 * Follow the security robot back to its bunker.
 * Obtain security keycard Beta on a Mister Gutsy.
 * Use the Alpha keycard.
 * Use the Beta keycard within 5 seconds of the Alpha keycard.
 * Activate master shutdown.

Detailed walkthrough
Once sufficient damage has been done to the robot, a countdown timer will start. From that point, there is 15 minutes to complete the quest before it is failed.

Bugs

 * Prior to Fallout 76 patch 1.0.3.10, it was possible to rapidly press the final "master shutdown" button and receive the reward multiple times for completing the quest.