How to create special effects for the appearance of real guest characters

I want to create a special effect for the appearance of a real person in UE5. How can I trigger it in Aximmetry? For example, a real person has a cool special effect appearHow to create special effects for the appearance of real guest charactersance animation. This problem has been bothering me for a long time. Please guide me. Thank you very much

   GEKANG

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