Rarity and Level

Extension Rarity and Levels Explained

Similar to Heroes, Extensions have different Rarity Classes and can be leveled up. Original Extensions can be Leveled up, whereas Replicas do not have a level at all. Here's an Overview:

Rarity Class	Max Level
C - Common	60
U - Uncommon	70
R - Rare	80
E - Epic	90
L - Legendary

MYZO indicated the Rarity

Similar to Heroes, the supply limit for Extensions are tied to the Rarity Class. A good indicator for Rarity is also something called Myzo. This means the amount of times a certain Extensions can still be dropped in this Node. If you want to see the supply limit of an Extension, check out the Extensions details page:

This Legendary Extension is limited at 20

This Legendary Extension is limited at 20