Vampire Crawlers offers different Gems for you to obtain on your run, and you can use them to modify the cards in your deck. They’re obtained randomly, but some of them will dramatically change how your drafted deck works.
You can use this guide to keep track of how every Gem works before you choose one on your run.
All Gem effects in Vampire Crawlers
The table below has a list of every Gem along with its in-game effects.
| Name | Effect |
|---|---|
| Amount | Adds the number of projectiles. |
| Area | Adds the area effect of a card. |
| Armor | Adds Armor. |
| Armor Strike | Deal Armor as damage when played. |
| Bombard | Adds an explosive bomb. |
| Coin Card | Creates Coin Shards. |
| Copy | The card is copied when used. |
| Countdown | Mana cost reduces when not used. |
| Crawler Caller | Summon all Crawlers to Hand. |
| Decimate | Deals 10% of enemy’s health as damage. |
| Destroy | The card gets destroyed, but you get coins in return. |
| Double Damage | Hits twice as hard. |
| Drain | Heals when the card kills an enemy. |
| Draw | Draws an extra card. |
| Duration | Increases Duration stat. |
| Easy Combo | The card always benefits from combo. |
| Echo | Replays the previous card’s effect. |
| Evolution | Evolves the card into a more powerful weapon. |
| Greed | Increases Greed stat. |
| Growth | Increases Growth stat. |
| Increase Mana Cost +1 | Mana cost is increased by 1, so it can be used in a higher Combo. |
| Increase Mana Cost +2 | Mana cost is increased by 2, so it can be used in a higher Combo. |
| Kill Count | Deal current kills total as damage to a random enemy. |
| Leader | Attacks deal extra damage while the card is in your Hand. |
| Magic Hat | Beckons a dove from above. |
| Magnetic | Draws another of the same card, if you have one in your deck. |
| Mana Rebate | If the card would reduce Mana to 0, receive double Mana instead. |
| Midas | Playing cards earn coins while this is in your hand. |
| Might | Increases Might stat. |
| Mug | Earns coins when the card kills an enemy. |
| Nduja | Deals spicy damage. |
| Purple Trigger | Adds Purple color trigger. |
| Quick Draw | The card is always drawn first at the start of an encounter. |
| Rainbow | Adds all color triggers. |
| Recycle | Card skips the Discard pile. |
| Reduce Mana Cost -1 | Mana cost is reduced by 1. |
| Reduce Mana Cost -2 | Mana cost is reduced by 2. |
| Refund | Refunds Mana to play. |
| Restore HEalth | Recovers health after an encounter. |
| Retain | When the card is drawn, it stays in Hand until used. |
| Return | Returns to hand after playing. |
| Reverse Combo | Allows the next card to continue the combo while breaking the base rule of increasing mana ascendancy. |
| Triple Damage | Does three times the base damage. |
| Wild | Makes the card Wild. |
| Yellow Trigger | Adds a Yellow Color trigger. |
| Yin Yang | If you’re on even mana, you’ll gain 1 mana. If you’re on odd mana, you’ll draw 1 card. |
When drafting in a Gem, you should always pay attention to the character that you’re using in your deck. Vampire Crawlers offer 21 characters to unlock and equip, and they have their unique strengths. Also, pay attention to the weapon combinations and evolutions since the effectiveness of a specific Gem will depend on your existing deck components.
