Achievements with unique monsters

Below list of achievements in which you need to find unique monsters. Click on name to read details.
A Unique Collection A Unique Collection
Kill all of the following unique enemies.
Bashanishu Bashanishu
Hurt Bashiok using Rakanishu's Blade.
Haunted Haunted
Meet the following ghosts.
Irreplaceable You Irreplaceable You
Kill all of the following unique enemies in Hardcore mode.
Smash! Jay, Smash! Smash! Jay, Smash!
Kill the unburied Jay Wilson.
Special Assignment Special Assignment
Kill all of the following unique enemies.
You're Not The Boss Of Me You're Not The Boss Of Me
Kill the following Nephalem Rift bosses.