drop shields with non-0 stats

src/entity/item/shield.rs

@@ -353,8 +353,8 @@ impl Shield {
     pub fn as_bytes(&self) -> [u8; 16] {
         let mut result = [0; 16];
         result[0..3].copy_from_slice(&self.shield.value());
-        // TODO: other attrs
-
+        result[6] = self.dfp;
+        result[8] = self.evp;
         result
     }
 }