Also would like to add Plagues to my list, with these long wars plagues should bound to happen, and make recruiting even more harder (but first dial back the raiding craze of the lords)
A few of mine
-If you have multiple children or another clan leader has and he/she dies maybe a succesion mini civil war or duel if one of the clan members want to suceed the leader or just ain't happy with the new one.
-Assasination but its probably have been mentioned by others
-Its probably another many mentioned but occasional Invasions would also be nice be it Nord or even a Samurai like faction or just the Black/Dark Knights
-A northern custom scene with Northern Lights would also be awesome
- Ships would be also nice especially if u could also siege cities from the port instead of the gates
Well I just finished my last campaign in Perisno before I bought BL last weekend, and so far it still needs a lot, but for me its Bannerlord, already in love with the death system and marriage/children system, also rip my family except my older brother