Shade
Monster Junkie
That looks reasonable.
Let's try to come up with some ability scores for these things.
Although not incorporeal, they seem like they'd lack Strength. If they are truly immobile, Dex is probably poor.
The closest thing I can think to compare them to is genius loci.
Genius Loci ability scores: Str 50, Dex 6, Con 50, Int -, Wis 24, Cha 26.
Let's try to come up with some ability scores for these things.
Although not incorporeal, they seem like they'd lack Strength. If they are truly immobile, Dex is probably poor.
The closest thing I can think to compare them to is genius loci.
Genius Loci ability scores: Str 50, Dex 6, Con 50, Int -, Wis 24, Cha 26.