Hoist By His Own Petard: Video Games
One of the most ironic ways Video Games
players can deal with enemies is by stealing enemies' weapons
and using them against the same enemy
. Some bosses even require the player to somehow redirect their own attacks back at them. Not that players are always immune to their own weapons, either. And as with other media, this trope is often part of the plot, so don't count on spoilers to be marked.