There are several things that distinguish one Magnus from another the biggest division is the Power level of Magnus. There is also Innate ability and your Skill level. Me, I’m MNC5. My father is ENIE5.
MNC5 – Master Natural born Cesari of Power Level 5
ENIT5 – Expert Natural born Fire and Earth Power Level 5
There are 5 levels of power. Each level of power indicates the ease of which you can manipulate the elements. Not all elements are as strong as the others, but it is always the strongest element ranking that gets listed.
Each level indicating a relative strength in power. Power being how much and how often you can actually bend. Its unusual for a person to gain a power level, but it has been known to happen. Mostly due to improper testing and the rare strength increase.
Power isn’t like a muscle, the more you use it the stronger it gets. It’s more like a bone, or a frame, it’s built to do this much and only this much, you can’t exceed it or it’ll break. A power level of 5 is almost limitless in power. The strongest know fire bender gauged the amount of power he could bend at one time to the amount of energy in the first nuclear bombs – and that’s only since we actually knew what a nuclear bomb was.