In his description of the king, the narrator seems to feel that the monarch is pretty ruthless. The story of 'The Lady or the Tiger' shows a king's black and white attitude to life, problems and justice issues. Through the narrator, the author shows us a description of the king's personality, he could be 'bland and genial' but also 'semi-barbaric.' The narrator explains to us, the readers, that :
'He was greatly given to self-communing, and, when he and himself agreed upon anything, the thing was done.'
This demonstrates that he was an individual who thought he needed advice from nobody. By "self communing" the narrator means that he was arrogant and looked only to himself for wisdom and prudence.He just decided what he wanted and that is what got done. There was no recourse for the accused, no way of appeal, or mercy, no jury and not even a trial.
The words 'large, florid and untrameled' also show that the narrator has a dim view of the king's education and outlook on life - it doesn't seem to have been honed by real experience as he is in control.