Bard: College of the Drowned Chorus

Level 3 — Oceanic Performance   Your music carries the power of the sea.   Child of the Tides   You gain a swim speed equal to your walking speed, and you can breathe underwater.   Drowning Inspiration   When a creature uses one of your Bardic Inspiration dice to deal damage with a weapon attack or spell, the creature can deal extra Cold or Psychic damage equal to the number rolled on the Bardic Inspiration die.   The creature chooses the damage type when the die is rolled.   Level 6 — Song of the Depths   You can conjure ghostly currents that drag at your enemies.   As a Bonus Action, you can create a 10-foot-radius aura of spectral water currents centered on yourself that lasts for 1 minute or until you are incapacitated.   Enemies in the aura treat the area as Difficult Terrain.   Additionally, when a hostile creature starts its turn in the aura, it must succeed on a Strength saving throw or have its speed reduced to 0 until the start of its next turn.   Save DC:   8 + your Charisma modifier + your Proficiency Bonus   You can use this feature a number of times equal to your Proficiency Bonus per Long Rest.   Level 10 — Voices Below   You can hear and answer the whispers of the drowned.   You gain the ability to communicate with aquatic creatures and spirits lost at sea.   You can cast the following spells without expending a spell slot:   Speak with Animals (aquatic creatures only)   Speak with Dead   Once you cast either spell with this feature, you must finish a Long Rest before casting it this way again.   Additionally, you gain Resistance to Cold damage.   Level 14 — Drowned Chorus   Your magic is accompanied by a haunting echo of drowned voices.   Once on each of your turns, when you deal damage with a Bard spell, spectral voices erupt from the magic.   Choose one creature you can see within 10 feet of the original target. The creature takes extra Cold or Psychic damage equal to your Charisma modifier + your Bard level.   If the creature is in water or difficult terrain, it must also succeed on a Wisdom saving throw or become Frightened of you until the end of its next turn.   Save DC:   8 + your Charisma modifier + your Proficiency Bonus