Talk:Gangplank/@comment-70.79.143.203-20111106051715/@comment-4334649-20111106203325

each attack adds a stack and refreshes the duration up to a max of 3 stacks for 3 seconds after your last hit. If you attack a target twice the will get 2 stacks that damage each second for 3 seconds. The passives description tells you hows much is each stack.