Phantom Warrior

AC 16 - HP 45 - 30 ft.; Resis BPS from nonm.
Immu cold, necrotic, poison
Immu charmed, frightened, paralyzed, petrified
Incorporeal Move. Move through other creatures
or objects like difficult terrain
Multiattack. 2 spectral longsword
Spectral Longsword: +5 / 1d8+3 force.
Etherealness The phantom warrior enters the
Ethereal Plane or leave it.