ToME: the Tales of Maj'Eyal

- You can enter the wilderness with Burrow activated. But you can't deactivate Burrow from the wilderness. (and it won't let me go anywhere interesting, alas)
- The description says "allows to burrow into walls". This makes me think that the equilibrium cost should only apply when I'm in a wall.
- If I use Burrow in the flooded cave, I pass through the walls like a xorn, but if I use it in the unremarkable cave I tunnel through walls like an umbar hulk. Which is correct?
- Also if I use Burrow in the flooded cave, I start suffocating, even though I have an amulet of the fish on.

The flooded cave is not digable but you can still pass through, and walls prevent breathing at all.

Burrow is now the third talent in the line and an active one instead of a sustain