Blackhole Bloon

Blackhole bloon is a bloon spawned by the G.S.N.Z.D   AKA Giga Super Nova Zeppelin of Doom... it spawns 500 blackhole bloons.. anyways.. here is a pic of a blackhole bloon

It has 500hp.. that means you have to hit it 500 times for it to pop.. when it pops it spawns 20 ceramic bloons..

it has a special ability of deactivating your towers for 5 seconds every 20 seconds it sends out a shockwave that disables every tower on screen for 5 sec....