Glory Kill

Glory Kills were a scrapped gameplay mechanic intended for Databrawl (Battle version). They were insta-kill attacks only able to be performed on severely injured opponents. According to DuncanDunclub's statements in 2018, the mechanic would have worked like this: "Performing [Glory Kills] will grant temporary invulnerability and a [lot] of health. The lower your health, the more health you get. Minimum health gain will be 8. Maximum will be 48. So if you’re at like 1 health, getting a Glory Kill will bring you back to 50" -DuncanDunclub

The mechanic was also planned to be added to Databrawl Roleplay. However, in Databrawl Roleplay, Glory Kills would have dealt no damage and would have simply been an animation. In order for the animation to play out, a player would've had to agree to being Glory Killed via a confirmation GUI.