The following information will be updated as the novel progressed.

Most human can only made pact with beast when they went through Gateway for their First Challenge.

Each Challenge through the Gateway expected to pushed a challenger to the next Tier.

[Tier System]

Tier System is the general ranking system that showed one stage and level of power. Each Tier bring a Tier perks that pushed Beast and Human ahead with their Pacts.

Tier 1: Juvenile

Tier 2: Roar

Tier 3: Shifter

Tier 4: Composer

Tier 5: Power

Tier 6: Dominator

Tier 7:

Tier 8:

Tier 9: