Here is the full list of all 15 Maldita Castilla EX - there are Cursed Castile achievements worth 1,000 gamerscore.
Find a Moura tear
Find all Moura tears
Save the Amadis of Gaul from the flames
Invoke the lady of the lake
Be kind with the sirens until the end of the game
Reveal the statue of Saint Martin
Find out where the mysterious gamusin people live.
Find Jean Raymond’s note
Destroy Moura, but fail to eradicate evil from Tolomera.
Eradicate evil from Tolomera thanks to a pact with Death.
Eradicate evil from Tolomera.
Eradicate the evil and find out every secret from Tolomera
Finish the game using no continues
Finish the game equipped with the fire sword
Eradicate the evil in less than 40 minutes