Beholder Ghost

Central Eye. The beholder's central eye creates an area of Vulneraility to necrotic and phychic damage in a 100ft. cone. At the start of each of its turns , the beholder decides which way the cone faces and whether the cone is active. The area works against the beholder's own eye rays.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 14 (4d8) piercing damage plus 7 necrotic damage

Eye Rays. The beholder shoots one of the following magical eye rays at random (reroll duplicates), choosing one target it can see within 120 feet of it:

1.Chill of the Grave. The target takes 4d8+8 cold and necrotic damage and must make Wisdom saving throw 15 or be slowed (second fail the target is stunned)

2.Ghostly Possession. The target tries to possess the target. The target must make a Charisma saving throw DC 15. If the targtet fail the target takes 15 phychic damage . If the target fails again the target is possessed. A success end all effects

3.Killing Thoughts. The target takes 1d8+9 phycic damage and the makes a melee attack against itself as a free action