Maximize Surge
In times of dire need, you can burn your mythic power to ensure success.
Prerequisite: 6th mythic tier.
Benefit: Once per day when you surge, you can expend two uses of mythic power to treat your surge die as though it rolled the maximum result.
Special: You can take this feat multiple times. Each time you do, you gain an extra use of this feat per day.
Source: Mythic Adventures, p. 69