-4

This question already has an answer here:

I'm making a minigame and I need to summon 100 Zombies in 1 command block. How do I do so?

marked as duplicate by Fabian Röling, Virusbomb, IronAnvil, Timmy Jim, KevinTheGreat Apr 21 '18 at 16:58

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

2

To summon multiple entities in one command, summon them riding an AEC that will die in the next tick:

/summon area_effect_cloud ~ ~ ~ {Passengers:[{id:"minecraft:zombie"},{id:"minecraft:zombie"},{id:"minecraft:zombie"},{id:"minecraft:zombie"},{id:"minecraft:zombie"}]}

Not the answer you're looking for? Browse other questions tagged or ask your own question.