Veiled Artifact:

To obtain some items within the game, you must use the Veiled Artifact, which you can purchase for 15,000,000 from the NPC of all races.

OUSTERS
Perona NW > NPC Manescu

Veiled Artifact - 15KK

VAMPIRES
Perona NE - NPC - Murphy

Veiled Artifact - 15KK

SLAYERS
Perona SW - NPC - Carmen
 

Veiled Artifact - 15KK

Within it, you can acquire items such as:

Kid Injections
Crystal
Blue Crystal
Mixing Forges
Bluebird
Miracle
Wings
Purites
Seven Fold Stone
Chaotic Experience Stone
Scroll

Among other items that can be added.