Forest of Life and Death, a terrifying place, a forbidden zone.

Due to the unique crimson trees growing in the Forest of Life and Death, the situation has become what it is today.

No one knows how these crimson trees came to be, but everyone is well aware of one characteristic: they absorb and gather blood fiend energy.

The vast Forest of Life and Death, filled with crimson trees, has been completely shrouded by the blood fiend energy absorbed over the years.