If the OP's point was that we aren't exactly missing him, it's kinda backfired! He missed games at the start of the season. Birmingham's surge up the table also coincided with King's return to fitness; he's been one of their best players.
Medicre is good then? I'm not suggesting comparisons with what we have now.
He has been given the penalties as always. Brum not surging up the table and doubt they will get into playoffs even. He left for prospects and so far looks like he's where he started. I would be happy with that. He let down a club and fans who stood by him which gave him the chance.