Grades System

The Grades System is a system introduced in the 11.0.0 update. It indicates how common or rare a weapon is, by possession, not by gameplay. However, this system only applies to pets, as many legendary weapons are overused.

Pets with this grade are usually the pets with the lowest base statistics, and are the most common pets to obtain.

Pets with this grade are usually the pets with mediocre base statistics, and are one of the most common pets to obtain.

Pets with this grade are usually the pets with decent base statistics, and are somewhat common pets to obtain.

Pets with this grade are usually the pets with good base statistics, and aren't very common pets to obtain.

Pets with this grade are usually the pets with great base statistics, and are rare pets to obtain.

Pets with this grade are usually the pets with the highest base statistics, and are the rarest pets to obtain.

Trivia

 * Some removed weapons like the Crystal Mega Destroyer had a grade of.
 * It is due to many former players have bought them before their removal.
 * First, There was only one weapon with a or  cost having a  grade, while all Lucky Chest weapons did. The Mythical grade proves how rarely you obtained weapons from the Lucky Chest. In 13.0.0 update there are more mythical weapons from the clan chests.After the update Grade mythical of the weapon in armory becomes legendary. In Update 13.1.2 there are more guns added with mythical grades in the skin of champion league.
 * The Pets also have a grade system but the grade system to them is different. The rarity depends in opening eggs, not how much they cost.
 * As of the 12.5.0 update, the grades system only applies to pets and no longer applies to weapons.
 * However, in the 12.5.3 update, this has been reverted.