If a creature has Truesight, its vision is enhanced within a specified range. Within that range, its vision pierces through the following:

Darkness. It can see in normal and magical Darkness.

Invisibility. The creature sees creatures and objects that have the Invisible condition.

Visual Illusions. Visual illusions appear transparent to the creature, and it automatically succeed on saving throws against them.

Transformations. The creature can discern the true form of any creature or object that it sees that has been transformed by magic.

Ethereal Plane. The creature sees into the Ethereal Plane.