Place this clip right at the start of a chat-style edit, immediately after the WhatsApp Message Sound Button pings, then follow it with the Olha a Mensagem Sound Button to show the group noticing the warning and backing off the reveal.
关于此声音
A short Portuguese voice clip, about four seconds long, of a speaker firmly declaring that spoilers are forbidden. It lands as playful but serious, the kind of mock warning that feels funny to friends while still making the point that the ending should stay secret for everyone who has not seen it yet.