So, lets just set the amount of metals straight (also if you use metalminds in the fight they wont count in the rp):
-Allomancy, you have 3 vials of your metal (Did the research. Its around ~15 not-flaring and ~8 minutes flaring.
-Feruchemy, you can double aany of your metalmind store thingies for 4 minutes each. Do more than double and its halfed, halfed, so on.
(also, what is brandon time?)