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An Aragami summoned by Yan Zhi with matching color scheme as the Yan Zhi. Drops no items and melts away once killed.
The following information can also be found via descriptions of the Aragami found in the NORN Terminal's database.
God Eater 2 Rage Burst
A psion version of the Ogretail, it is covered with plumage-like fur. Brought about by the Yan Zhi's ability, it possesses an imperfect core, which causes it to instantaneously disperse into a cloud of mist on death. Individually not much of a threat, it becomes incredibly dangerous when a swarm focuses its attacks. Dealing with each quickly and efficiently is the best strategy for dealing with them.
The Zhou Wang is a rat-like Aragami which resembles the Ogretail family and made its debut in God Eater 2. It can only be present alongside a Yan Zhi, since the latter summons it.
The name may be a reference to King Zhou (紂王) who was bewitched by his wicked wife Daji.
It is possible to devour its corpse upon death, before it collapses. However, if the body is allowed to collapse it will decompose immediately.
This Aragami is the only non-Boss type enemy that doesn't grant materials when their corpse is devoured.
At any given time there is a maximum number of 5 Zhou Wangs that can be present on a mission, once this number is reached the Yan Zhi stops summoning more.