This build uses a script through the command prompt to bind a key to use your active slots 1,2, and 3 at the same time. Copy the prompt below to bind a key, I use 'V" bind v "+in_item1;+attack;-in_item1;-attack;-attack;+in_item3;+attack;-in_item3;-attack;+in_item2;+attack;-in_item2;-attack;++in_weapon1;+attack;-+in_weapon1;-attack;"