The strongest thing in Doctor Who
Origin: Doctor Who
Tier: 1-C
Wielders: Esterath, Kroton
Powers and Abilities: Nigh-Omnipotence, holds reality together
Destructive Capacity: Omniverse Level
Speed: Omnipresent
Durability: Omniverse Level
Weakness: Needs to eventually replace it's wielder, else the omniverse will fall apart