To earn the Thorn Thief accolade, you must complete the second Tree of Thorns Respecification Trial.

• This badge or the Thorn Robber Badge are required to unlock Arbiter Leery as a contact for villains level 35-39.
• Prior to Issue 20, you could do any of the Tree of Thorns trials and receive this badge the second time the character chose Respecification as a reward.
• A previous version of this badge had alternate text before claiming the respec: "You have stolen the power of the Nexus of Thorns twice, and earned second a character respec. Talk to Arbiter Lupin in Nerva Archipelago to use it."