From both of King Wu's palms, spiritual energies gushed outwards like a flood and swiftly coalesced into a translucent fortress gate that often acted as the last line of defense for a castle. It towered twenter meters and protected King Wu entirely. The sword of true slaughter didn't veer as it held true, stabbing ferociously into the fortress gate.
Bang!
A grating explosion erupted from the impact area. The spirits of everyone present groaned in pain, and even Wei Wuyin was shocked that his spirits responded the same. But in truth, while his four Spirits of Qi were 'Complete', so were the others. Their high-quality didn't stop them from reacting to shockwaves that targeted the spirit.
A thought from the Tree of Eden flashed in his mind: "Dao of Alchemy!"