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Treachery

Main Game Concept, Well of Darkness

I - Rules

(see WOD)

Starting with the Well of Darkness expansion, the overlord player has the ability to customize the Overlord deck from the base game using treachery.

All new treachery cards have a hexagonal, colored gem between the gems for their threat value and their threat cost - this is their treachery cost. At the start of each quest, before the game begins (step 6B), the overlord receives a certain amount of treachery with which he can customize his base Overlord deck.

The overlord's base deck consists of all his cards that have no treachery gem. This includes all 36 overlord cards from the Descent core game, as well as the 12 following cards:

When customizing his deck, the overlord player swaps out cards from his base deck for cards that have a treachery cost. Each quest states how much treachery the overlord receives when playing that quest. This information is found above the chest contents chart for that quest.

Treachery for quests from the core game's Quest Guide are listed below.

Quests
Event (green)
Trap (purple)
Monster (red)
Into the Dark
4
4
4
The Brothers Durnog
4
2
4
Problems of Life and Death
3
3
4
Spoiled Brat
3
3
3
Last Wishes
4
4
2
The Eternal Guardian
3
2
5
The Black Blade
3
5
4
The Trapped Ruins
2
6
2
Old Friends
5
3
3

Treachery comes in three types: events (green), traps (purple), and monsters (red). Power cards are paid for with event, trap, or monster treachery as well, depending on the color of their treachery gem. In order for the overlord to add a card that has a treachery cost to his deck, he simply spends the listed amount of treachery (making sure to spend the proper type), then adds the card to his Overlord deck, removing any one other card of his choice from the deck. The overlord may swap out as many cards from the Overlord deck as he wishes in this manner, as long as he has enough treachery to pay for them all.

Example: the overlord receives three event treachery, two trap treachery, and two monster treachery at the start of a quest. He finds this information on the quest map, above the chest contents chart. He decides to add "Prowling Wendigo" (one monster treachery), "Host of Haunts" (one monster treachery), and "Spell of Thunder" (two event treachery) to his deck. This leaves him with one event treachery, two trap treachery, and no monster treachery. He then adds the three cards he chose to his Overlord deck and chooses three other cards to remove from it, in this case, choosing an "Aim" a "Gust of Winds", and a "Hordes of the Things" card.

Unspent Treachery

For every two points of treachery (of any type or combination of types) left over after customizing his deck, the overlord draws one extra Overlord card to start the game, up to a maximum of eight cards.

Example: Continuing the example from above, the overlord has one unspent event treachery and two unspent trap treachery, for a total of three total points of unspent treachery remaining. He draws one extra Overlord card to start the game (giving him four cards total), and the final point of treachery is wasted.

Resetting the Overlord Deck

At the end of the game, the Overlord deck is restored to its original condition, removing all cards that have treachery costs from it and returning the original cards to it.

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