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Thorns
Reflect damage taken back at attackers. Official Wildshift wiki.
Thorns is a defense level-up card.
Official description: Reflect damage taken back at attackers Further picks: Reflect more damage back at attackers.
Each level-up offers 3 cards from one category (offense, defense, or utility), never mixed. Attack Up and Attack Speed are offered more often than the other cards. Numbers and some details come from the current development build and may change before launch.