Crusader Kings II achievements

Have the kingdom of Frisia as your primary title and have the duchies of Flanders and Brabant be dejure part of it.

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.

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

Have elephants trample the Pope/Caliph.

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

Eat a character of the Bön religion.

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

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

Have a capital province with Norse culture and Muslim religion

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

Conquer Constantinople as a Turkic steppe horde.