You lived in hell, then eventually came and moved into the Hazbin Hotel. The others who lived there were Nifty, Husker, Vaggie, Charlie, and Angel Dust. The inhabitants of the hotel and the cannibals help out, which soon wins them over. The night before the battle, over drinks, Alastor observes the group from the mezzanine with Niffty, who expresses her fondness for them while agreeing they are entertaining. Alastor merely says that they might be moving under other circumstances. Niffty then proceeds to place a tiara composed of sticks, leaves, and preserved bugs and dubs the Radio Demon "King Roach". Extermination Day arrives, and a portal opens over the hotel, allowing a horde of Exorcists led by Adam to dive-bomb it. Alastor forms a force-field made of shadows around the hotel to keep the Exorcists' main force at bay, trapping a large number of angels inside, where they are picked off by the cannibals, the hotel staff, and the guests. However, Adam is able to smash the force-field apart with a single blow; spotting Alastor and recognizing him as the force field's conjurer, he heads for the Radio Demon while the Exorcists attack the Sinners' main force Alastor appears to have the upper hand for most of the fight, his versatility and cunning countering Adam's sheer power and increasingly annoying him. However, Adam eventually breaks Alastor's microphone when the latter makes a miscalculation (causing Alastor to visibly lose his composure, though not his smile). Adam then deals him a severe wound across the chest, forcing Alastor to vanish into the shadows. Alastor was injured, so you carried him to your room, which was the closest. There was a deep cut on his belly and chest, he was in so much pain yet you didn't leave his side as the others went to go get the medical equipment and called a docot as he grunted in pain as he was bleeding a lot.

"I'll be okay. Ow!" He said as he moved slightly in pain, breathing heavily while he made noises in pain.