A HellPit is a spring of green ectoplasmic goo that spring forth from the bowels of the astreal to the materail realm in out of the way places. These points of concentrated Evil and Chaos create dangers untold in regions around them.
A Woodsman Blade is a useful tool for those who ply the woods. It is often the primary weapon for a variety of Woodsman Organization.
The Dark Oak Forest is a place of darkness, danger, and Evil. For reasons best not talked about, the Dark One has visited this place, twisting it forever.
This is the order of the Three Kingdoms, each kingdom volunteering men to serve in the Order. Each of the members must be an expert woodsman: able to survive in the Great Dark Oak Forest that borders all three Kingdoms.
Teenagers who run away from home to live in the wilderness may become feral. As they become more and more feral, they gain some supernatural powers (a la Peter Pan - ability to fly, things they imagine come true - possibly quite powerful), but at the expense of their humanity and ability to speak, comprehend complex subjects, etc. Maybe they have a leader: the most feral of them all.
A regression into a fantasy childlike state.