Crusader Kings II achievements

Starting and staying as a Han Chinese character, be an independent King or Emperor and rule all of North Africa (the Maghreb region).

Starting as the last remnant of the White Huns (the Count of Mohadavasaka in 769) restore the borders of the Hephthalite Empire.

Starting as a Norse character, rule the Kingdom of England (or the Empire of Britannia) as an English cultured character of a Christian religion.

Find love after a duel.

Sit on the council and have every other council member as well as the ruler owing you a favor.

Have elephants trample the Pope/Caliph.

Eat a character of the Bön religion.

Settle a steppe mercenary with more than 20 martial in your lands.

As a steppe horde, have an independent tributary King or Emperor in the British Isles

Conquer Constantinople as a Turkic steppe horde.

Have a priest you corrupted (as a Satanist) become Pope.

Have a capital province with Norse culture and Muslim religion