Hard chess puzzle

lichess.org/editor/7b/pnP5/1p5k/BP1Bp3/RKBpP3/PQNP4/PPP3PP/6NR_b_-_-_0_1. Even though black is down a lot of material, the white king is not on its safest square. See if you can solve it.

Wow, actually don't think this is a real game.
But good one!

Bf6 or bg7

Bf6, cuz if Bg7 he promotes to a queen and protects the f8 field.

Oh .

easy Bf6 C8K Bg7-+