How do you get the heavenly rathalos scale?

To obtain a Heavenly Rathalos Scale in Monster Hunter, you typically need to hunt or carve a Heavenly Rathalos, which is a variant of the standard Rathalos. The scale can also be acquired as a reward from quest completions or by breaking specific parts of the monster during the hunt. Make sure to use items that increase your chances of obtaining rare materials, such as the Fortune or Gathering Set bonuses. Always check the quest rewards for additional opportunities to secure this item.