“You've been granted the strength and flame resistance of the Grayditch Fire Ants! Your Strength has increased by 1 and you are now 25% resistant to fire.”— In-game description
Ant Might is a perk in Fallout 3.
This perk is one of two possible perks available from Doctor Lesko for helping him get rid of the fire ant nest guardians during the Those! quest, with Ant Sight being the other available option.
This perk grants +1 Strength and +25% Fire Resistance.