I really, really, don't understand the holy trinity puzzle. Really enjoyed this game so far and looking forward to more updates!
Each step of the puzzles has 3 balls. The mixed color is in the middle. Original colors that big crystals have at the start are on the sides. Pick up the grey orb, color it with the active crystals. Pick up the newly colored orb and place it on the empty socket before closed gates.
What's the problem?