The clip comes from a Brazilian World of Warcraft raid on Nythendra, the first boss of the Emerald Nightmare raid introduced in the Legion expansion in 2016. In raid language, libera dps is the call to stop holding back and start dealing full damage, with porra added for emphasis. A player identified as Deus delivers the shout, and the recording later circulated among Portuguese speaking players on soundboards and in Discord servers. It remains popular because the phrase works far beyond that boss for any delayed green light.