Shrouded Forest

This area is featured in Sonic and the Black Knight and holds one of the four barrier stones

Story
Sir Lancelot travels in this area to search for one of the barrier stones. It says "This stone is but part of the ring that Sealeth the Dark Hallow."

Gameplay/Environment
This area is similar to Deep Woods, but it is snowing and more mountainous. The end of the area, where the barrier stone lies, reveals a lush green forest untouched by the snow

Trivia

 * This area seems most affected by the Dark Hallow, due to enchanted trees that are willing to attack him.