def wait_for_swing(target = nil)
        status_tags
        start = Time.now
        while(1)
            change_stance( 'defensive', false ) unless target && target.status =~ PRONE
            return if GameObj.npcs.size.nil? || GameObj.npcs.size == 0
            return if target && target.status =~ PRONE
            return if ( Time.now - start ) > 10
            return if matchtimeout( 1, /a exist="\d+" noun="\w+">.*?<\/a>.*you[\.|!]|d100|fumbles helplessly|thorny barrier surrounding you/ )
        end
        status_tags
    end

    def change_stance( new_stance, force = true )
        until( stance =~ /#{new_stance}/ )
            if( stance() =~ /#{new_stance}/ )
                return
            elsif( checkcastrt() > 0 && new_stance =~ /def/ )
                return if stance() == 'guarded'
            end

            if(force)
                bs_put "stance #{new_stance}"
            else
                put "stance #{new_stance}"
                break
            end
        end
    end