Ender Ghast

/setblock ~ ~-1 ~ spawner{SpawnCount:1,MaxNearbyEntities:1,SpawnRange:10,Delay:300,MinSpawnDelay:920,MaxSpawnDelay:1200,RequiredPlayerRange:50,SpawnData:{id:"minecraft:ghast",CustomName:"\"Ender Ghast\"",CustomNameVisible:1,PersistenceRequired:1b,Glowing:1,Health:200,Attributes:[{Name:"generic.maxHealth",Base:200},{Name:"generic.followRange",Base:121},{Name:"generic.knockbackResistance",Base:0.75f},{Name:"generic.movementSpeed",Base:0.6f}],ExplosionPower:3,ActiveEffects:[{Id:11,Amplifier:1,Duration:2147483647,ShowParticles:0b}]}}