kagali-san

Fire, in form of napalm/etc, can also damage inner parts of ammor unless the shell is magically solid. Alternative would be to use toxic gas, radiation (if known at the moment).

obligatory reading - en.wikipedia.org/wiki/The_Road_Not_Taken_(short_story)

please give this to your UX guy and ask what he thinks: en.wikipedia.org/wiki/IDN_homograph_attack :)