From seeing youtubers videos I have seen that one of Gor-Roks lord efffects is that he gets 20% physical resistance when defending sieges (Lord's army). Which is definitely a good lord effect.
However for almost all the campaign you are likely to have 20 units in your main army and from my personal experience if you park a lord with 20 units in a settlement plus its garrison no AI army almost every attacks that settlement.
Therefore I believe it would be better if it was altered to be 20% physical resistance when defending battles (Lord's army). This way you are more likely to get more use out of the lord effect. Therefore it could be used for both sieges and on the open battle field but only when defending from an attack from the AI.
What do you think?