Takes Mary's Super Poison

“A milligram of this poison takes down, what? One hundred elephants?” He asks, inspecting the substance closely. Mary nods. “And how much is on your weapons?” He inquires.
“A kilogram.” She answers bluntly.

...by the end of it Zilla has fifteen projectiles in him, and Kong has five...

...two more projectiles hit Kong and six more hit Zilla before she comes face to face with them. Both are still standing, but she can see that they’re weakened.

Mary uses this opportunity to throw five shuriken and five knives at the two as she runs forward to attack. Kong is hit by every projectile, barely flinching with each hit, as he turns to fight her. Mary manages to cut him once in his abdomen and then once again on the nape of his neck...

Chapter 27, The Sting of Death