Jade: Guardian of Shadows is one of the Guardians. She is the first unlocked Guardian you can get without level required and by defeating Spike in the "On The Shadow's Wings" event. Or you can unlock her in the Missions.
Bio: An assassin who fears nothing, she can become invulnerable and double damage after charging up.
Availability: Defeat the Boss Spike (or complete some event Missions) and get a chance to receive this Guardian as a Reward from the Magical Chests.
Her lore information is currently unavailable.