Thunderous Soul

You are a vessel for booming sonic energy and your soul is tuned to the soundwaves that reverberate through the sky constantly. With your command over soundwaves, you bend them at your will, your lineage may stem from a god of lightning or wind, gaining the lesser-known abilities from either element.

Noising

At 1st level, you can amplify or reduce sounds by bending the waves producing them. When you act you can spend 1 sorcery point to make the action wholly silent or up to 10 times louder; increasing the range of the sound by 100ft. If you use this ability to reduce the sound of you moving, you automatically pass stealth checks based on hearing you move.

Sonic Reverb

At 1st level, you can cause a thundering aura to swarm around your enemies. When you make an attack you can spend 2 sorcery points to infuse the attack with thunderous energy. If this attack hits the target, it is given a thunderous aura until the end of your next turn. When the target takes damage while surrounded by the aura it explodes with thunderous energy in a 5ft radius, dealing damage equal to your Charisma modifier (Minimum of 1) to creatures in range that you choose.

Sonic Silencing

At 6th level, you can turn your spells into small pockets where sound cannot pass. When you cast a spell that deals damage you can spend 3 sorcery points to change the spells damage type to thunder, any creatures that take damage from a spell cast this way must make a Charisma saving throw against your spell save dc or be Deafened and Silenced for 1 minute. A Silenced creature cannot speak or make sounds with their mouths, a silenced creature cannot cast spells with a verbal component. At the end of each of their turns the creatures can remake the save, ending the effect on a successful save.

Piercing Screech

As an action you cause a violently high pitched shriek to rupture the hearing of others, causing immense pain. Chose a creature you can see within 60ft of you, the creature must make a constitution saving throw or be overcome with an infernal pain in their ears. On a failed save the creatures speed is reduced to 0, it makes attack rolls at disadvantage, and attacks against it are made at advantage. The creature can use their action on their turn to remake the constitution saving throw, ending the effect on a success. 

You can use this feature a number of times equal to your proficiency bonus, gaining all uses back on a long rest.

Oscillation

You've developed an advanced mastery over sound and thunderous energy. Your mastery of reverberations in the air give you the following benefits:

-The damage dealt from your Sonic Reverb feature is doubled and lasts for an additional round

-Deafened areas where sound cant be heard do not stop your spells and attacks from dealing

-Your thunder damage bypasses Immunity and resistances.

-You are immune to thunder damage