shinsoo (tower of god)

Shinsu (신수 (神水), shinsoo, literally "divine water") is a substance native to lifeforms within the Tower. It is produced by the Tower and flows through the surroundings like air.
Shinsu can be utilized in a multitude of ways, given adequate knowledge, skill, resistance, and natural talent. Through Shinsu, one can attain eternal youth, extended lifespans, halt the aging process, control natural elements and, even attain the powers of a god.

Shinsu is a very powerful, mysterious substance. It can be manipulated into water, fire or light. It's possible to manipulate Shinsu into natural elements or unique forms (sword, spear, orb), a person must find "Shinsu Qualities" that suit them.