If you give the dou trees enough living space, they will grow into a forest of dou trees in peace.

The Casi Nimi tree grows in Cameroon and is called the Dou tree by the locals. The fighting tree is not really ferocious and aggressive, but it has many triangular dark brown hard thorns on its branches. The long branches have hard thorns and stretch out like sharp claws. If they are next to the neighboring small trees, they will The hooks will mercilessly entangle these small trees, and they will be stabbed all over and eventually die. Fighting trees occupy territory and kill other trees in order to survive. Because the nutrient transport system in its body is very fragile, only by killing the plants competing with it for nutrients in the same area can it avoid dying of malnutrition.