Does that mean that there is more of His plan that is yet unrevealed?
Yup. Revelation of Yeshua 10:1-7
and
7 And the angel said unto me, Wherefore didst
thou marvel? I will
tell thee the mystery of the woman, and of the beast that carrieth her, which hath the seven heads and ten horns.
8 The beast that thou sawest was, and is not; and shall ascend out of the bottomless pit, and go into perdition: and
they that dwell on the earth shall
wonder, whose names were not written in the book of life from the foundation of the world,
when they behold the beast that was, and is not, and yet is.
earth is not the planet