Board Thread:Questions and Answers/@comment-186.13.7.127-20140321163438/@comment-93.40.114.222-20140928002959

not true. the criteria are unknown. Crom and Banthus are someow favourite, even if there are generals with higher stats. For banthus an idea can be that he's in the highest general tier  (12) but if Crom appears for you... this is strange... as crom is only tier 5...

Any other guesses?