When the butterflies summon the girls for a night of bloodshed, Rachel tries to escape their nightmarish existence, but Kate and the others track her down after Lulu’s grave warning.
For something like that, I think 
a verbal warning should suffice.
Eine mündliche Verwarnung
wäre ausreichend gewesen.
Para algo así, creo que una advertencia
verbal debería ser suficiente.
Je pense qu’une remontrance suffit.
Pra algo assim,
uma advertência verbal é suficiente.