All Gems and How to Unlock Them - Vampire Crawlers Guide - IGN

Once you obtain the Gem Hammer in the Mad Forest, you gain the ability to socket Gems into your cards. These Gems provide additional effects whenever the card is played, or sometimes simply for keeping it in your hand. The most iconic of these is the Evolution gem, which transforms your cards into powerful new variants. This Vampire Crawlers guide teaches you how to unlock every Gem and lists their effects. Here are all the Gems in Vampire Crawlers, what they do, and how to unlock them. Remember, Gem effects are not scaled by combo. You find the Gem Hammer during your exploration of the Mad Forest, the game's first zone. This allows you to socket Gems into your cards and unlocks a variety of Gems including Evolution and Double Damage. After unlocking the Gem Hammer, you have a chance to get Gems from chests and level up rewards. You evolve cards by socketing an Evolution Gem in the weapon, then sacrificing any required items. Evolution Gems are found from Evolution statues and have a high chance to appear in boss chests. Before choosing to evolve, you can see what the card evolves into, the item to be sacrificed, and the final Mana cost. You need an empty socket in your weapon for