|Northern Tower Mark I|
|Type: Plane Wonder Materials|
|The sky scraping Eternal Tower was built by one of the gods, and has been standing here since the beginning of creation. It is also known as the Trial Tower, a place where all adventure fleets can prove their capability. The Eternal Tower is divided into eastern, western, southern and northern towers. This mark is an important part of the northern tower.|
|Can be used to build Eternal Tower (Wonder) in the Hall of Overseeing|
|Source(s):||Floor 85, 90, 95 and 100 of Northern Tower (Abyss' Roar)|
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