Shadowfell

[[File:BlackSalander_Shadowfell.jpg|thumb|
 * alt=|235x235px]]The Shadowfell is one of the Planes of Existence in the Critical Role universe. The Raven Queen's icy realm of Letherna is tucked into a corner of the Shadowfell. The plane was also the home of Thar Amphala until that city was teleported by Vecna to the Material Plane.

In, Vox Machina chased a resurrected Delilah Briarwood into the Shadowfell, following their encounter with her in a ziggurat in Marquet. There they witnessed, from a distance, Vecna's rebirth atop the tower of Entropis.

Description
According to Eskil Ryndarien, the Shadowfell is a plane of negative energy, and elements of it are used to funnel the transition of souls from life to death or back. It exists as a mirror plane, much like the Feywild. There are elements that resemble Exandria, but twisted, shifted."

When Vex'ahlia shot an Oracle Arrow into the siphon beneath Whitestone, she caught a glimpse of the Shadowfell on the other side: