No. 55,
"Abundance":
"Abundance has success.The king attains abundance. Be not sad. Be like the sun at midday."
Are you following the Yi's advice to get out of that Darkening situation?
If you do, your reward in the future will be Abundance. You will go from a very low spot to the very highest - "like the sun at midday."
This hexagram is a combination of Thunder and Lightening, signaling a brief period of enlightenment and influence. Realize that the sun only stays at its zenith for a moment. "Be not sad" when the brightness starts to fade.