Turn your volume down because B-221 is very loud. D-221's Speed: slower than deathwish speed D-221 will spawn at D-000. In 3 seconds, it will start speeding through the latest room. After D-221 has reached the latest room, it will check and trow tables around, breaking them. After it's finished doing that, it will speed back towards B-000, rebounding. After that, it will rebound 31-40 times