

Rough bandages Unusual When you discard a card during your turn, you gain 3 Armor Toolbox Unusual At the start of each fight, you add a card with no random color to your hand. Dream Catcher Commune When you are resting you can add a card to your deck.
Slay the spire nloth upgrade#
Astrolabe Boss When you pick it up, you can choose and Transform X cards and then Upgrade them. Art of war Commune If you don’t play any attacks during the turn, you gain additional Energy for the next turn. Self-forming clay Unusual When you lose HP in combat, gain 3 Armor on the next turn. Anchor Commune Start the fight with 10 Armor. All Relics Visual name Rarity / Type Effet(s) Old tea service Commune When you reach a resting site, you start the next fight with 2 additional resources. Fiery blood Base Relic of the Iron Soldier At the end of the fight, you recover 6 VP. Visual name Rarity / Type Effet(s) Serpent Ring Basic Relic of the Silent At the start of each fight you draw 2 additional cards. When the game begins, you can have an interview with the Whale Neow to trade it for a random relic. Character relicsĮach character has their personal rune. Still others are only available from the merchant. They are given as rewards after defeating a powerful enemy, following the resolution of a particular event or by searching chests. ("Fight(nloth's gift) estimate: " + (cn / 10000).Relics found in the Tower grant you unique bonuses and remain in effect until the end of your game. The chance for cards from the store to be rare is much higher.Ĭode for the simulation below (C#) using System Stores are even more specific: They always have 3 attacks, 2 skills, then 1 power (again which ones specifically is randomized), then 2 random colourless cards. +-+-+-+īosses always give you a choice between 3 rare cards.

The chance of getting upgraded cards is dependent on the Act# and ascension: +-+-+-+ +-+-+-+-+įor example, if your first selection contained three commons, on your second selection from 3 cards you would have a 1 - (0.99 * 0.9837 * 0.9774) ~ 4.81% chance of seeing at least 1 rare card. | Commons | Rare(fight) | Rare(shop) | Rare (nloth) | The 'avg' row is the result of estimating the average chance using a program that draws 1M cards. The chance of being a rare starts at 0%, and is improved by 1% with each common card drawn after the 2 nd, then tripled if you have nloth's gift. Each pile has an equal chance of putting out any card of that category, independent of how many you have already pulled out.Įach card drawn always has a 37% chance of being an uncommon. Only applicable if you have not played a lot before, as eventually you have unlocked everything and no changes happen anymore.Ĭards are drawn from 6 piles of each type of rarity and upgrade state. This can change the distribution of cards and thus what strategies are most succesful, as the new cards may push one archetype or the other. You unlock new cards as you complete runs. There are also some that give a particular rarity like the whale at the start of the game that can give you a 'rare' card. Some of them are the only source of that card. There are a lot of events that always give a particular type of card. The regular card pools include more improved cards on higher floors. It also allows you a larger selection of cards, but costs gold.īosses always give you a choice between rarer cards. The shop's card pool is smaller than the whole card pool. That said, the game does have a fair amount of events and other things whose distribution is not entirely random. Given that we don't know whether the game is changing the odds, and your sample size is far too small to conclusively prove anything about the probabilities of individual cards, knowing that there are a few dozen cards, and you only get around 40 chances at a card in a run, the probability of not seeing any card is actually reasonably high assuming the distribution is random.
