ergo insperata deprensum luce repente inclusumque cavo saxo atque insueta rudentem desuper Alcides telis premit, omniaque arma advocat et ramis vastisque molaribus instat.
On him, then, caught suddenly by unexpected daylight, pent up in the hollow rock and bellowing as never before, Alcides hurls missiles from above, calling all weapons to his aid, and rains upon him boughs and giant millstones.