Valkyrie's Downfall

Valkyrie's Downfall is a large-scale update that was patched into the DMMO-RPG, YGGDRASIL at a certain point in time long before the game's shutdown.

Background
It was consider to be an expansion pack with various new game contents for players to explore, fight or obtain in YGGDRASIL.

New Contents

 * New World Enemy-type bosses were added. This includes the Eight Dragons, the Lords of the Seven Deadly Sins, the Ten Archangels of the Sephira, as well as the six bosses known as the Celestial Lord of the Sixth Heavens, and the Five-Colored Buddhas.Overlord Volume 02 Chapter 2: Journey
 * Guns are added among the list of weapons to be equipped and used in the game.
 * The addition of an Automaton race allows players or NPCs to become one.
 * Gunner job class is added for characters to later obtain and invests levels into.Overlord Volume 03 Chapter 4: Before the Death Match

Trivia

 * There is a pair of gold coins that existed in YGGDRASIL. One of the coins was decorated by the face of a woman, while the other coin had the face of a man. The former was a coin from after the huge update "Valkyrie’s Downfall," while the latter was a coin from before the update.Overlord Volume 01 Chapter 4: Duel