@soft_chomps@glitch.social I remember there was a similar one about building an impenetrable castle out of Dwarves (in D&D.. 3? 3.5, mebbe), because their high Constitution makes the check to hurt them significantly higher than destroying a wall made of stone
I have a friend who just.. Does this kinda thing as a hobby, he delights in making the most weirdly-broken-combos out of the most unlikely things.
Like making a Peasant & comboing the "produce 1 chicken" ability w/ sth to get "swarm of attack-chickens"