Absorbs magic damage from the moment any spell it uses is finished casting until the animation on any TP move ends successfully (is not stunned).
Absorbs physical damage from the moment the animation of any TP move ends until it successfully finishes casting a spell.
Desiccation does not seem to count towards this requirement
Because of the Draw-In, it is recommended that the holder and stunners disband from the alliance.
ChainspellStun is recommended to kill this quickly if you are inexperienced with it, but Shock Squall spam is sufficient once you are more experienced with it.