Vehumet's headhunting guide
I: Kill any two uniques within two turns of each other.
II: Kill two medium or deep uniques within one turn of each other.
III: Kill two deep uniques on the same turn.
Deep Uniques
Uniques who do not normally generate before depth 18.
Antaeus, Asmodeus, Boris, Cerebov, Dispater, Dissolution, Ereshkigal, Frederick, Geryon, Gloorx Vloq, Ignacio, Ilsuiw, Jory, Khufu, Lom Lobon, Mara, Margery, Mennas, Mnoleg, Murray, the Enchantress, the Lernaean hydra, the Serpent of Hell, the royal jelly, Tiamat, Xtahua
Medium Uniques
Uniques who do not normally generate before depth 11 and are not on the previous list.
Agnes, Aizul, Azrael, Donald, Frances, Kirke, Louise, Maud, Nergalle, Nessos, Nikola, Norris, Polyphemus, Roxanne, Rupert, Saint Roka, Snorg, Wiglaf
Shallow Uniques
Uniques who are not on the previous lists.
Blork, Crazy Yiuf, Dowan, Duvessa, Edmund, Erica, Erolcha, Eustachio, Gastronok, Grum, Grinder, Harold, Ijyb, Jessica, Joseph, Josephine, Jozef, Maurice, Menkaure, Pikel, Prince Ribbit, Psyche, Purgy, Sigmund, Sonja, Terence, Urug