he will be the rarest [only if theres no one that crosses 100+] entity because he will have a 1/100 chance of appearing. Mechanic: He will rush to the last room and crashing the door. and go to the middle for 6 seconds. then he will check the locker and goes to the middle again and 5.53-7.25 seconds later he dissapears [Kinda Inspired to the S-290's Mechanic]
C2A