Water and fire are intangible, generated by the formation, resembling fire without roots, continuous and hard to deal with. Unless the array flag infused with the Seven Flames True Fire is destroyed, as Easton Walters mentioned, the True Fire will burn endlessly. However, the formation is interconnected, making it extremely difficult to break in a short time.
As Selah Ellison Fairy pondered how to tackle the Seven Flames True Fire, Carson Flores spoke.
"Let me handle it."
Selah Ellison Fairy turned to him in surprise. You?
Even I find this situation challenging—can you manage?
Carson Flores retrieved the Water-Fire Mirror without further ado. A spell fell, and fiery light shimmered, as a curtain of red light rose to meet the Seven Flames True Fire that was crashing down on the two.