Chandra is the god of Darkness, and a Fifth Zen-level god. He is also the patron of the 2nd month. He has a callous and slightly unhinged personality.
His powers are available to humans via the spells hoti chandra, which provides them with the ability to conceal themselves in a designated area, and bhavati chandra, which gives a 1.5x amplifying effect on various spells.
In Hindu mythology, Chandra is the god of the Moon.
(Source: Kubera Wikia)