misspolite666

Ok so i'm doing the mission with the barred and i need to use the cup-o-spell on a flame everywhere i have read says i need to hold down "G" then release i do this and the character does the action and ofcourse nothing happens when i release "G" he just stops doing it and dosen't through the attack, even in the description under abilites says to do this is this some sort of glitch in my game or am i missing something entily??!! HELP