Introduction[]
In Dark Souls, the Lords of Cinder can power the sun for thousands of years by linking the flame. I'll be calculating the energy needed to perform this feat.
Calculation[]
The sun generates 91.92 petatons of TNT per second.
In two thousand years there are 63072000000 seconds.
Energy = 91.92 x 63072000000 = 5.80*10^12 Tons of TNT
Final Tally[]
Lords of Cinder's Attack Potency = 5.80 Ronnatons of TNT (Large Planet level)