Mysterious Figure

First journey from Ruins of Phandalin to Finding old Heirlooms
Saturday 28th of Ilus, Traveling from Ruins of Phandalin to Maplemere, spotted by Demetrius
On the night after defeating Hala, on the riverbank in the Jaded Wilds, Kal spots the figure across the river, observing them through the dome. When Kal wants to go speak to it, she is forced to blink and the figure is gone.
Saw the entity in the Thax'ning Tribes on their way towards Grommok's lair.
All the characters saw the entity in the Bloodwoods after fighting Nezznar.
Was noticed by Wanderwood, after which Kal approached the figure as everyone watched. The figure tried to reach out to touch Kal, but as Kal recoiled, the figure disappeared. Wanderwood described the figure as "powerful" and "dangerous".