Shadow Walk: Through walls?

[Corsair]

Shadow walk is superior in many ways to the higher level Greater Teleport (more people go along, you can go to other planes, etc.). I like to compare shadow walk to wind walk because they are both the same level. Wind walk affects less people and leaves you in this plane. Shadow walk affects more people, so I wouldn't let it get you out of air tight rooms or stuff like that.

Wind Walk lets you go exactly where you want, get there faster, and go farther (thanks to the speed increase). Also include the fact it is a cleric spell (which is generally weaker than similar level arcane magic), and the fact that a cleric who can cast it can already cast Plane Shift, which a wizard (or in my case) sorcerer needs to wait another spell level for.