fell on his face

This symbolic act showed that the king was honoring Daniel. AT: "lay down with his face on the ground" (See: rc://en/ta/man/translate/translate-symaction)

an offering be made and that incense be offered up to him

This can be stated in active form. AT: "his servants make an offering and offer up incense to Daniel" (See: rc://en/ta/man/translate/figs-activepassive)

"It is true that your God"

"greater than all the other gods, and King over all other kings"

Translate "the one who reveals mysteries" as in Daniel 2:29.

"to reveal the mystery of my dream"