Dragon Rage: No, it will always deal 40 HP damage. Same goes for any other move that deals fixed damage.
DragonBreath: Yes, that's a standard attack (power 60) that can critical hit just like any other move.
How to change your username How to add a user avatar Why was my post hidden? Question etiquette Flags vs Downvotes Anime FAQ Official PokemonDb League
Type a Pokemon name, type, move or ability to see instant results.