Damage on Cobalt

I received a task today to deal an ammount of damage on Cobalt.Sometimes, when I go on a mission on Cobalt Valley, the indicator increases, sometimes don't, but I still coud not figure out which type o damage I must do on this node.I'm pretty sure that the description is incomplete, and must have something to do with the slow motion or the "rapid" motion.I would like to know if someone received this kind of quest and have it figured out.