Extend the Story - Add a Room

Its not exactly a weapon but it sure weighs a ton. You`ll have to lift it up high enough so it does serious damage but not so high or you`ll miss, its curtains if you miss.
You let go of the toolbox bomb and follow its descent-BAM! It connects solidly with its target, steel meeting steel with the satisfying crunch that can only mean a shattered ulna. Insanely you`re reminded of one of those Warner Bros cartoons they used to play before they scratched the world- of the anvil dropping on the coyote. What would have knocked out a normal man only momentarily stuns the creature.What will you do?

leave it and run upstairs