Here is the full list of all 12 Cruo Domine achievements.
You killed your first Kraken
You killed fifth Kraken
You killed ten Krakens
You killed 50 krakens
You love tentacles right? This is your 10th dismembered
Yep that was the 20th tentacle
Are you serious ? 100 Tentacles?!
Everybody is good at something, but you really suck in killing Krakens
Try it to +4 ;)
Ugh it succeed ? Try to +9
You got +9 weapon, congrats if it was Jackpot you would be a millionaire now LOL
Are you dead yet?