Dacha Tactics #10 - golden bishop oozing dark energies.

Interesting position we have here. Black has a nice golden dark bishop and with the white king on dark, there promises to be juicy ideas. Also note how white has little to no pawns on dark -- i.e. no dark rebuild. Find the knockout blow!

Interact with the puzzle below. If you get stuck, you can always click the "lightbulb" icon in the lower-left of the puzzle frame. Good luck!

Watch IM Yaacov solve and explain the puzzle in the video below.