Sōryū Tenra (蒼龍天羅, Blue Dragon Heaven Silk) The ultimate secret technique of Hokuto Shin Ken, said to be the "Fist of the Blue Sky". From the Nyoninzo aura's palm comes an all-enveloping tōki that allows the two combatants to fight in a void of total nothingness. Until Liu Zongwu, none who witnessed Sōryū Tenra had lived to tell the tale.