Black Dragons Awakening

You've begun to awaken deeper powers from your draconic heritage. You gain the following:

• When you use a Metamagic option on a spell, you can use the Transmute Spell option on the same spell for free, so long as it's used to convert it's damage type into acid.
• When you deal acid damage to a creature otherwise immune to it, they take half damage instead.
• Tiny beasts and vermin look at you neutrally unless provoked, and can understand your speech. You also gain advantage on Charisma checks to influence them.