its hard to explain, but i'll try. when i use a skill it takes around 3-5 seconds to work, and in a fight its hard to kill fast. so, can any one help me? ive lowered my graphics and im in my "game mode" but it still happens, the game its self doesn't lag, just the skills

The connection. You get the skill lag due to your connection

how do i UP my connection? it was fine until around a week ago