But they fail to invoke him , Bachuss decides to mercilessly attack the Justirisers in hope that Shirogane manifests using Gentarou as a hostage before Mio arrives .
The JustiPower knocks him back to Hades .
But they fail to invoke him , Bachuss decides to mercilessly attack the Justirisers in hope that Shirogane manifests using Gentarou as a hostage before Mio arrives and the JustiPower knocks him back to Hades .