https://en.wikipedia.org/wiki/Din-i_Ilahi

A lot of Islamic influence. Din-i Ilahi is Arabic/Persian which denotes "Oneness of God"(referring to tawhid). See how this might relate to wahdat al-wujud (Oneness of Being in Sufi metaphysics). The Mongols have historically been tolerant towards a lot of religions (a proto-perennialist philosophy?).