Hydra is the sixth studio album by Dutch symphonic metal band Within Temptation. It was released on January 31, 2014 in Europe and on February 4, 2014 in North America. Hydra received critical acclaim upon release debuting at number six on the UK Albums Chart on February 9, 2014. The album also reached number one on the American Top Hard Rock album charts.
Solo due tracce potrebbero interessare il pubblico metal(si perche' in questo album la svolta musicale artistica di Sharon del Adel e Within T. va sulla commercializzazione assoluta) : la gloriosa opening track "Let Us Burn" e la filmica"Covered by roses".