Vergil did not care about most of the pageantry of the Presidency. Fire and ice were mere flourishes to power. They were for show. For decoration.

No. The real power was in that granted to him by the Fourth Circle. Those sent there for the sin of greed are forced to contend against massive weights for all eternity. As such, the popular sovereignty from that area allowed Vergil to control his weight. And that meant he could use Lord Ruler to its fullest potential.

Steel and iron. When Vergil burned these elements, he could Push and Pull any metal object. The strength of these Pushes and Pulls was proportional directly to his mass. With the Fourth Circle, it was the perfect combination.

- Ragnarust Round 5