How to delete the effect particle when summoning a mob
How can we delete the effect particle when summoning a mob?
Solution 1:
The ShowParticles tag, when set to 0, will hide particles from that effect. The datatype of 'byte' must be declared by appending the numerical value with a "b":
/summon Creeper ~ ~1 ~ {ActiveEffects:[{Id:14,Duration:1000000,ShowParticles:0b}]}