Arch-nemesis!
Although Gary Smith couldn't make use of the first two items at the moment, the third one, a biological weapon with unlimited potential, undoubtedly stirred his heart.
Living weapons appear just like pet beasts. However, they are created by man, not birthed by nature.
They come as hand-held weapons, attached series that are affixed to the Beastmaster, and monstrous creatures akin to a war fortress, with their everything being a weapon. They can even evolve into formidable creatures that support an entire world.
In legends, the Mechanism King's domain houses a living floating city of tremendous size, operated by an artificial intelligence with spiritual power, controlling tens of thousands of transcendental artillery. A full-force shot from it can sink vast expanses, reducing everything to dust.
Moreover, what differentiates living weapons from ordinary pet beasts is that their powers can be activated just by infusing spiritual power or feeding them.