Drop Rate

The Drop Rate for Heroes is as follows

Tier	Drop Rate
A (Crimson 5-star)	0.2%
B (5-star)	0.8%
C (4-star)	3%
D (3-star)	10%
E (2-star)	30%
F (1-star)	56%

In addition, each faction has a different Drop Rate

Faction	Drop Rate
Water	20%
Fire	20%
Abyss	20%
Nature	20%
Dark	10%
Light	10%