For this cheated saved game used: kingmakercharactereditor, PK trainer v1.0 Plus 16 (Fling), cheatengine table  kingmaker.ct.
Warning: do not add more, than 5 spellkasting classes or advance to lv21 - game will crush. Do not take animal domain for druid - animal companion don't advance levels at all. Also after Lv20 (if you cheat that way) you don"t receive normal feats on levelup - only special ones for class.