Buildings
Artifacts
Spells
Skills
Neutral camps
Scrolls
Units
Researches
Zeppelin
Runesmith
Frost Cannon
Golden Titan
Alchemist
Wolf Rider
Ice Fiend
Warlock
Behemoth
Arachnid
Acolyte
Bone Golem
Death Knight
Nightmare
Succubus
Firefly
Archdruid
Ent
Almus
Griffin Rider
Alliance upgrades
Emporea: Timeline
Altar of GodsDeath Knight
prerequisite: Succubus
research time: 1 days 16 hours
maximum level: 1
cost: 8000
30x 
Shadow Steed
Malignancy
Finger of Death
Unholy steel
prerequisite: Succubus
research time: 1 days 16 hours
maximum level: 1
cost: 8000
30x
