Question about four feats

[Expectro2000xxx]

1. AP to knock down trees.
2. Durability to be fine after recive directly a lightweight missile
3. The durability that a human skull would need to be unarmed with the shot of a musket.
4. Durability that a eye would need to not even feel the shot of a musket. And if possible based on that calculate the durability of the rest of the body.

 

[LIFE_OF_KING]

The 2 and 4 is 9-B at best. The 1 and 2 varies depending on the scene