The Shadowflame stirs, increasing the damage of Roiling Shadowflame by X%.
Dealing damage has a chance to rouse the Shadowflame, inflicting X Shadowflame damage upon your target and X Shadowflame damage to yourself. Whenever this happens, you gain a stack of Roused Shadowflame.
Roused Shadowflame increases this effects damage by X%, stacking the maximum stack count times. Upon reaching maximum stacks, the Roused Shadowflame will subside.