Spawn Rate Glitch/hack

Alright, so i was farming some essence of nulgath before when a guy came in to the same room and suddenly all the mobs started insta spawning immidietly, i asked what he used but he didnt answer so im really curious if there's a program for that or some kind of glitch.

It's a glitch. Basically you /join a location you want to glitch, then alternate between that location and another 4-6 times e.g. Let's say I want to glitch blindingsnow monsters;
/join blindingsnow--99595
*clicks house icon to teleport to my house*
*repeat 4-6 times*
When you kill the monsters, they respawn fast.
-HOWEVER, THIS ONLY WORKS IF THERE IS ANOTHER PERSON IN THE ROOM, AND WHEN YOU'RE THE ONLY PERSON LEFT IN THE ROOM, THE GLITCH EITHER STOPS OR MONSTERS STOP SPAWNING ALTOGETHER UNTIL YOU REJOIN THE ROOM.
-You have to make sure to use two(2) dashes(-) and you have to always join the same room that you intend to glitch. It can work on single/double digit rooms, but it's harder to glitch them since they're either full(so you end up in a different room, and the glitch won't be effective) or it's only you in the room(glitch won't be effective as you're the only one in the room).