Deciphered rules (not translated, as I know nothing about Spanish

)
Morghast Harbinger; Unit size 2+, two hand weapons, heavy armour. Hover and killing blow. Friendly undead units within 12 inches crumble by one less.
Morghast Archai; Unit size 2+, Halberd, Full plate (4+ armor). Hover and Killing Blow. Same crumble thing as the Harbinger.
Arkhan the Black; Level 4 wizard, access to Lore of Death and Lore of Undeath and can mix them. If he inflict at least a wound during CC, roll a dice. On 6+ he regain a wound. Crumble one less than normal (can be combined with other modifier). Also he can march. Arkhan double the number of points raise with the Lore of Undeath.
Magic item - Sword; Eachj wound cause heal him by one, maximum of 4 regained wound per phase.
Staff; Can store magic dice. Doesn't seems to talk about a limit.
Neferata; Level 3 wizard, access to Death, Shadow, Vampire, Undeath, and can mix and match. Can regain a wound on 6+ like Arkhan. If she kill a model in challenge, you get a free Vampire that you place within 12 inces. Enemy are at -1 to hit her, except for Khalida.
Magic item - Sword; If she wound in challenge, the enemy loos 1S, 1T and 1A permanatly. But can only be affected once.
Staff; When Neferata cast a magic missile, a direct damage or an hex, the target suffer an additional D3 S5 hit.
Mannfred; Level 4 wizard, access to Death, Vampire and Undeath and can mix and match. Can use up to 3 magic dice to get +1 attack per dice (can go beyond the maximum of 10). Also have the ability to heal a wound on a 6+.
Have the MAter of the Black Arts power. Also he double the range of the Lore of Undeath.
Magic item - Sword; Each unsaved wound gives him a magic dice. Maximum of 5 dice can be gained with it per phase.
Armor; Heavy Armor with +2 wounds (already in profile).