Update to use HOSR

src/assets/fragments/bestiary/dragons/breath-weapon.md

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+### Breath Weapon
+
+-   Can be used up to 3x per day.
+-   All caught in area take damage equal to dragon's current hit points, **Save vs Blasts** for half.
+-   Shapes:
+    -   **Cloud** - 50’ long, 40’ wide, 20’ high.
+    -   **Cone** - 2’ wide at the mouth, 30’ wide at far end.
+    -   **Line** - 5’ wide along whole length.
+-   Immune to their own breath weapon, automatically save vs related attacks.