• This ability was introduced in Call of the Crystals.
  
  

• Defender is a specific term reserved for heroes and allies (and items that become allies).
  
• Defender is a Keyword passive ability.
  
  
• RuleBook:
  
  • Defender allows the hero or the ally with the ability to do its combat damage first when being attacked.
    
  • Should the defender do enough damage to kill the attacker, the attacker will be killed before getting to do any damage.
    
  • Note that hero or ally who gained Defender with an attachment or an item will lose Defender if the card that gave the effect leaves the play.

(you may see the Attack rules for a more in depth explanation)

Cards related with Defender keyword ability are:

• Cards that can specifically remove the defender ability: