Col1n

indeed, wise words

I want them back too so much. The only thing is, they created lots of lag, especially because people spammed spells BEFORE the actual swarm, causing a server restart.

What about when you are in the swarmed city, the server sends you a message that states do /join swarm to defend the city and u are then teleported to another server

Then there is another server, which costs money in the first place, with the same amount of lag because everyone is spamming spells again.