It's key to know people who were closer to the impact of the meteor will have more mana stronger affinity than others, but this does not mean that they are invincible. Someone with more expirience, knowledge or control over their abilities can be stronger than someone that was closer to the impact.
The main group of friends that were on the island will have special and unique abilities since they were closer to the impact, but it does not mean they'll be invincibel even if in sometimes it looks like that.
Humans Tier:
Lowest F
Highest SSS
SPECIAL CASES Z
Top 100 most powerful person in the world are called Rankers
Persons that are at-least High E Rank and up are called Warriors, Heroes or Awaken. Depending on the continent.
Beast Tier:
Low
Medium
High
Warrior
King
Legendary
Demon
Tyrant
Dragon
Elder Dragons Tiers:
Titan
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In Denus after a mysterious meteor crashed on an island the world was introduced to a new type of energy. Not knowing what it was, people started to call it magic. Most of the people acquired an elemental attribute.
Water
Earth
Wind
Fire
Thunder
There will also be super rare cases that a person can have "magic" that can heal.
These are the base elements attributes that a person could have.
There are also varieties or higher forms of this element.
Ice
Metal
Toxin
Plasma
Sound
There are also two other extremely rare elements.
Light
Darkness