Undead Ground

Requirements

 * Must be level 80 or higher to enter.
 * You dont neeed a The Copy Ring of the Oath since the Update Soul & Sienna.
 * Must go through a dungeon to enter, which is located where the Shades and Ghosts are in Bloody Ice.

Warp Code
To receive the map-code and warp-code for this location, the following quest has to be completed:
 * Hidden Quests
 * The_Frozen_Tower_of_the_Undead (Lv 85)

NPC's
No NPC's can be found in this area

Undead Ground Monsters

 * The location of the monsters are color coded, and the bosses are numbered.
 *  Lihorn Zombie 
 * (1)  Bloody Lihorn Zombie  (Boss)
 *  Ghost Blader 
 * (2)  Ghost Assassin  (Boss)
 *  Zombie Fighter 
 * (3)  Zombie Warrior  (Boss)
 *  Zombie Slater 
 * (4)  Zombie Slayer  (Boss)
 *  Zombie Knight 
 * (5)  Zombie Prime Knight  (Boss)
 *  Berserk Ghoul 
 * (6)  Furious Ghoul  (Boss)
 *  Vampire Servant 
 * (7)  Vampire Steward  (Boss)
 *  Death Soldier 
 * (8)  Death Sergeant  (Boss)
 *  Death Giant 
 * (9)  Death Giant Captain  (Boss)
 *  Spector 
 *  Wraith 
 * (10)  Elder Spector  (Boss)

Dungeons

 * House of the Dead
 * Patren%2C_Patren/Exilian Volcano
 * Frozen Tower of the Dead (B1F)
 * Frozen Tower of the Dead (B2F)