"Strengthen Pakatan".

Those were the last words of opposition leader Anwar Ibrahim in a hastily recorded message after the Federal Court upheld his conviction and five-year jail sentence for sodomy.

"For PKR, I want our friends to strengthen Pakatan (Rakyat) together with PAS and DAP such as our consensus (permuafakatan).

"Our strength must be preserved. Do not allow anyone to threaten and weaken us," he said in the video recording uploaded on Facebook.

The video saw Anwar speaking for slightly more than a minute as other Pakatan leaders such as PKR deputy president Azmin Ali and DAP secretary-general Lim Guan Eng watched on.

His message comes amid worsening cracks in Pakatan and concerns that his absence would lead to the opposition coalition breaking up.

Anwar, 67, also briefly talked about his fate, stating that this is a price he had to pay.

"If we are confident and consistent in our struggle, this is the price we pay as we face a system that is corrupt and cruel.

"No one expected that someone who is approaching 70 will be treated like this but for the future of our youths, I (try to) be patient and strong.

"I pray that my health will remain good and I will not be tortured like in past experiences," he said.