Dragon Hunter's Ward

You create a barrier of magical draconic runes around yourself, shielding yourself from draconic creatures. While shielded by this barrier you gain the following benefits:

• Saving throws made against dragon breath attacks and lair actions are made with advantage.
• You are immune to being frightened by a dragon's Frightful Presence ability. 
• You gain a +2 to your AC against melee weapon attacks made by dragons.