"Burn it. All of it." Twilight focused a fire spell on the wall of the cavern that smouldered for a moment before setting fire to the webs all over them, a which quickly spread. A second later a jet of purplish flame joined it as Trixie contributed her own efforts. The fire spread up as webbing on the walls caught fire, as well as the cocoons, which started to pop and sizzle as the eggs burst in the heat.