Earlier in development, each level of the Indigo rune added another shot, up to a maximum of 8 in machine gun speed. This effect was lowered to a maximum of 3 darts, though the damage of each was raised to compensate for function, if not coolness. Prior to the skill revision in February 2012, this rune effect was enabled by the [[Indigo Rune]], granting the following effect with a level 7 runestone:.