Phantom Creepers are very dangerous mobs that possess many abilities. They only spawn in Phantania, usually in groups. They have 50 <3 and can be potentially life-threatning without the right tools to fight it with.
Phantom Creepers will send players hallucinations of them dying and such when they are in a 60- block radius of the Phantom Creeper. As they get closer, they will hear screaming that gradually gets louder and louder, normally of a male voice. When they are in a 16-block radius, the Phantom Creepers will start to teleport around the Player and confuse them with very strong hallucinations of themselves attacking the Player, however they will notice that you do not take any damage from the fakes. Though, you will still be jumped back and make the hurt sound when attacked by a mob and the health bar will flash. The fakes have 5 <3 and disappear in a cloud of smoke when "killed". Only the real Phantom Creeper can hurt the player, and it does 20 <3 without armour. When it is killed, it will drop 1-3 Phantasmic Gunpowder. When about to die, they will curl up in a ball, then explode. Any remaining fakes will also blow up and minorly damage the Player. They very rarely drop Apocalypse Blades.
Phantom Creepers only roam in Phantania, usually in packs of three or four.