Actually, i'll just tell you how to make one.
Based it off unholy frenzy.
Change the bonus attack speed to 0.
Change the damage per second to the damage you want.
And change the targets allowed to enemies, ground, air etc..
And change the buff, the buff shows the animation on the afflicted unit.
Then, you will have your bleeding spell.
And you will get gold and exp from killing a enemy unit from the bleed.
Based it off unholy frenzy.
Change the bonus attack speed to 0.
Change the damage per second to the damage you want.
And change the targets allowed to enemies, ground, air etc..
And change the buff, the buff shows the animation on the afflicted unit.
Then, you will have your bleeding spell.
And you will get gold and exp from killing a enemy unit from the bleed.